Zheng He

Category: People
Key figures: Emperor Yongle (r. 1402–1424, sponsor), Zheng He (1371–1435, admiral), Ma Huan (interpreter and chronicler), Liu Daxia (official who allegedly destroyed maritime archives), Eunuch bureaucrats, Arab and Indian merchants

Summary

Zheng He (1371–1435), born as Ma He, was a Muslim eunuch admiral and explorer of the Ming Dynasty who commanded a series of massive treasure-voyage expeditions (xia xiyang—”voyages to the western oceans”) across the Indian Ocean between 1405 and 1433, representing both the apex of Ming maritime power and the culmination of Chinese ocean-going technology. Operating under the patronage of the Yongle Emperor, Zheng He assembled enormous fleets comprising hundreds of ships, including the famous “treasure ships” (baochuan) estimated at 200–400 feet in length—dwarfing contemporary European caravels by orders of magnitude. These expeditions visited over thirty countries across the Indian Ocean, the Arabian Peninsula, the coast of Africa (as far south as present-day Kenya), and Southeast Asia, establishing Chinese prestige, collecting tribute from subordinate rulers, acquiring exotic goods, and demonstrating Ming maritime dominance. Zheng He’s voyages represent China’s greatest moment of oceanic exploration and commerce, yet they would not be sustained: within decades of his death, the Ming court, influenced by conservative Confucian officials and faced with internal security threats from the north, abandoned long-distance maritime exploration, turning China’s attention inward and ceding maritime dominance to European powers. Zheng He thus stands as a pivotal historical figure symbolizing both the heights of Ming achievement and the crossroads where China chose continental consolidation over global naval expansion—an inversion that would reshape world history.

Life and Rise to Authority

Ma He was born in 1371 in Kunyang, Yunnan Province, in southwestern China, to a Muslim family with Central Asian (Semu) ancestry. His father, Mir Hajji Ma Hazhi, had made the pilgrimage to Mecca and was a local official in the Yuan-era Yunnan administration. Following the Yuan Dynasty’s collapse and the Ming restoration under the Hongwu Emperor, Ming forces conquered Yunnan in 1381. The young Ma He, approximately ten years old, was among those captured. He was castrated and brought into imperial service as a eunuch attendant—a common practice for male children of conquered officials in the early Ming.

He entered the household of the Yan Prince (later the Yongle Emperor), Zhu Di, where he distinguished himself through administrative competence, personal loyalty, and evident military talent. He participated in the Yan Prince’s military campaigns during the Jingnan civil war (1399–1402), in which the Yan Prince seized the throne from his nephew, the Jianwen Emperor. During the critical Battle of Zhenglunba (1400), Ma He’s military contributions were recognized by his commander. His cultural fluency—he was fluent in Arabic, familiar with Islamic customs, and possessed detailed knowledge of Muslim maritime trade networks—made him uniquely valuable for the planned Indian Ocean expeditions.

After the Yongle Emperor consolidated power in 1402, he granted the surname Zheng (associated with a Ming victory in Zheng village during the civil war) to his trusted eunuch commander, creating the name by which history would know him. By 1403–1404, as the Yongle Emperor prepared the first treasure voyage, Zheng He was appointed Eunuch Director of the Board of Seagoing Ships (qianjiao jun), effectively the supreme naval authority in the Ming, with authority over the Fujian naval bases and the shipyards at Nanjing’s Longjiang.

The Treasure Voyages (1405–1433)

Zheng He commanded seven major expeditions, each building on the commercial and diplomatic networks established by its predecessor.

The First Voyage (1405–1407) departed from Liujiagang (near present-day Suzhou) in July 1405 with a fleet described in Chinese sources as comprising 317 vessels of various classes, including 62 large “treasure ships.” The fleet visited Champa (central Vietnam), Malacca, Java, Sri Lanka, Calicut (Kozhikode, India), and Hormuz. At Calicut, the expedition established the central diplomatic node of the subsequent network: Calicut was the dominant spice-trade emporium on the Malabar Coast, visited by Arab, Persian, and Indian merchants. Returning in 1407, the fleet brought foreign envoys to Nanjing to pay tribute to the Yongle Emperor.

The Second Voyage (1407–1409) focused on consolidating the tributary network established on the first voyage and addressing political instability in Java, where competing rulers had killed Chinese envoys. The expedition demonstrated Ming willingness to use force to protect its trade networks.

The Third Voyage (1409–1411) involved military action in Sri Lanka: the expedition deposed the king Alagonakkara, who had refused to submit to Ming suzerainty, and brought him to Nanjing as a captive. He was eventually released and returned home, but the episode demonstrated that the treasure fleets were capable of regime change, not merely diplomatic show of force.

The Fourth Voyage (1413–1415) extended the reach significantly further west, reaching the Persian Gulf ports of Hormuz and the Arabian Peninsula including Aden and Jeddah—the sea gateway to Mecca. Zheng He, a devout Muslim, used his time in Arabia to fulfill Islamic observances. Muslim interpreters on the voyage, including the chronicler Ma Huan, conducted extensive documentation of the ports and peoples encountered.

The Fifth Voyage (1417–1419) and Sixth Voyage (1421–1422) pushed south along the East African coast, visiting Mogadishu (present-day Somalia), Malindi (present-day Kenya), and possibly reaching as far as modern Mozambique. These voyages returned with African envoys and exotic animals. The giraffe brought back to Nanjing was interpreted by Chinese courtiers as a qilin—the mythical dragon-horse unicorn of Chinese legend, traditionally an omen of virtuous rule and celestial blessing. The Yongle Emperor, uncertain how to receive this interpretation, permitted his officials to celebrate the giraffe as a divine portent of his legitimacy.

The Seventh Voyage (1431–1433) was the final expedition. Zheng He, then in his early sixties, embarked under the sponsorship of the Xuande Emperor (r. 1425–1435), who briefly revived maritime expeditions after a pause under the Hongxi Emperor (r. 1424–1425). The fleet visited many of the established ports. Zheng He died in 1433 or early 1435, reportedly at or near Calicut (Kozhikode) on the Indian Malabar Coast. His body may have been buried at sea, though a cenotaph tomb was later constructed in Nanjing’s Bull’s Head Hill (Niushoushan).

The Treasure Ships and Maritime Technology

The centerpiece of Zheng He’s expeditions were the treasure ships (baochuan), whose precise specifications remain one of the most debated questions in maritime history. Chinese texts of the Ming period describe ships of extraordinary dimensions—the Ming shi (Ming History) records “treasure ships of sixty-three and a half zhang” (approximately 127 meters or 416 feet) in length and “thirteen zhang” (approximately 26 meters or 83 feet) in width, with capacities to carry hundreds of people. Whether these figures are accurate or are traditional Chinese hyperbole of official records remains debated.

Archaeological evidence from the Longjiang shipyard near Nanjing, where the treasure ships were constructed, reveals an enormous dry dock approximately 210 meters (690 feet) long—consistent with, though not definitively proving, the construction of very large vessels. Current scholarly consensus, synthesizing the archaeological evidence with the textual sources, suggests that the largest treasure ships were approximately 60–75 meters (196–246 feet) in length, while accepting that some sources may describe even larger vessels. Even at the lower estimate, these ships were two to three times larger than the largest European ships of the same period.

The treasure ships incorporated sophisticated Ming maritime technology:

• Watertight compartments (bulkheads dividing the hull into separate chambers) providing structural integrity and buoyancy—a technology not used in European ships until the 19th century
• Balanced-lug sails on 4–9 masts, enabling efficient sailing across a range of wind conditions
• Multiple-section rudders providing superior directional control in varying sea states
• Magnetic compasses for oceanic navigation, combined with detailed nautical charts (haitu) and astronomical observation
• Stem-mounted anchors and tacking mechanisms allowing large vessels to maneuver effectively in port approaches

The total fleet in the largest expeditions comprised approximately 200–300 vessels of various types: treasure ships, horse ships (ma chuan), supply ships, water tankers, warships, and smaller trading vessels. Total personnel reached approximately 27,000–28,000 per major expedition, including soldiers, sailors, diplomats, interpreters, physicians, and craftsmen.

Ma Huan: The Chronicler of the Voyages

The most important primary source for the treasure voyages is the Yingya Shenglan (Overall Survey of the Ocean’s Shores), written by Ma Huan (c. 1380–1460), a Muslim interpreter who accompanied Zheng He on at least three voyages (the Fourth, Sixth, and Seventh). Ma Huan wrote in an accessible documentary style, describing the geography, government, currency, customs, trade goods, religion, dress, and food of each port visited. His accounts of Arabia, the Persian Gulf, the Indian Malabar Coast, Southeast Asia, and East Africa provide invaluable ethnographic detail unavailable elsewhere.

Ma Huan’s account of Calicut describes a sophisticated commercial city with its own measuring systems, trading customs, and court ceremonies for receiving visiting fleets. His account of Hormuz details the transit trade in horses, fine textiles, and metalwork. His account of Mogadishu describes the city’s coral-stone architecture and the exchange of Chinese porcelain for African ivory and ambergris. The Yingya Shenglan was first published in 1451 and became a reference work for subsequent Chinese maritime knowledge of the Indian Ocean world.

Two other important texts supplement Ma Huan’s account: Xingcha Shenglan (A Description of the Starry Raft) by Fei Xin (c. 1436), another voyage participant, and Xi Yang Fanguo Zhi (Account of the Foreign Countries of the Western Ocean) by Gong Zhen (c. 1434), a military officer on the voyages.

Objectives and Diplomatic System

The treasure voyages served multiple functions within the Chinese tributary system (chaogong tizhi):

(1) Diplomatic prestige: The voyages demonstrated the Yongle Emperor’s grandeur and the reach of Ming civilization. Foreign rulers who submitted were enrolled as tributary states, receiving seals of appointment (taoshu), official titles, and generous gifts of silk, porcelain, and gold in exchange for nominal recognition of Ming suzerainty and periodic tribute missions to Beijing. By the mid-15th century, approximately 30–40 states across the Indian Ocean world maintained formal tributary relations with the Ming court.

(2) Trade: The expeditions carried Chinese goods (silk, porcelain, copper cash, lacquerware) and acquired foreign goods (spices, medicinal plants, incense, precious metals, gemstones, exotic animals). The commercial returns were substantial: the spice trade alone yielded enormous profits, and Chinese silk and porcelain were among the most valued luxury goods across the Indian Ocean world.

(3) Military demonstration: The fleets carried thousands of soldiers and demonstrated Chinese naval superiority. Several expeditions used force or the threat of force to compel submission or resolve disputes. The removal of the Sri Lankan king (1411) and the suppression of the Malaccan pirate Chen Zuyi (1407) demonstrated real military capability.

(4) Religious pilgrimage and cultural diplomacy: Zheng He built or repaired mosques in Malacca, Calicut, and other ports with Muslim populations. He erected stone stelae at major ports commemorating the expeditions and Ming power. At Galle, Sri Lanka, a trilingual stele (in Chinese, Tamil, and Persian) erected in 1409 celebrated the expedition’s religious diversity. The original stele was discovered in 1911 and is preserved in the Colombo National Museum.

The expeditions did not pursue territorial acquisition or colonial settlement. No Chinese garrison was established in any foreign port; no territory was annexed. This distinguished the Chinese tributary approach from the contemporary Portuguese Estado da India (established 1505) and later European colonial enterprises, which combined trade with territorial control and Christian missionary activity.

Decline and Termination

Despite the expeditions’ prestige and commercial value, they generated sustained opposition from conservative Confucian officials at court who argued that maritime ventures were expensive luxuries, diverted resources from land defense against Mongol and Jurchen threats on the northern frontier, and disrupted the proper Confucian hierarchy by elevating eunuch power.

After the Yongle Emperor’s death in August 1424, the Hongxi Emperor (r. 1424–1425), who had long opposed the treasure voyages, immediately issued an edict terminating maritime expeditions and recalling all outgoing fleets. The Xuande Emperor (r. 1425–1435) reversed this briefly, sponsoring the Seventh Voyage in 1431–1433. But after Zheng He’s death in 1433–1435, no further major ocean expeditions were commissioned. The Xuande Emperor died in 1435; his successor, the Zhengtong Emperor (r. 1435–1449), showed no interest in maritime expansion and was dominated by conservative eunuch and official factions.

The maritime archives—the detailed nautical charts, route descriptions, port records, and logistical documentation of the treasure voyages—were reportedly destroyed by the Confucian official Liu Daxia, a Vice Minister of War, sometime around 1480–1500. Liu Daxia reportedly argued that the archives documented “bad government” (expensive and unnecessary ventures) and should be suppressed. Whether the destruction was total or whether some documents survived in scattered collections remains debated by scholars; some fragmentary charts and route descriptions have been found in later compilations, suggesting incomplete destruction.

By 1500, Chinese ocean-going expeditions had almost entirely ceased. Private Chinese maritime trade continued through Fujian and Guangdong merchants, but it was officially illegal (the haijin or sea-ban policy forbade private ocean trade for much of the 15th–16th centuries) and operated covertly. This inward turn was extraordinarily consequential: it ceded the Indian Ocean to Arab, Persian, and later Portuguese, Dutch, and English merchants—and it contributed to China’s strategic vulnerability to European maritime powers in the 19th century.

The contrast with European trajectory is striking. In the same decade Zheng He commanded the First Voyage (1405), Henry the Navigator of Portugal (1394–1460) was beginning systematic exploration of the West African coast—eventually leading to Bartolomeu Dias’s rounding of the Cape of Good Hope in 1488 and Vasco da Gama’s arrival in Calicut in 1498, the same port Zheng He had visited ninety years earlier. By 1510, the Portuguese had established their Estado da India with garrisons at Goa, Hormuz, and Malacca—precisely the ports that Zheng He’s fleets had visited peacefully, established tributary relations with, and then abandoned.

Legacy and Historical Significance

Zheng He remains a towering figure in Chinese historical memory and has become a symbol of lost maritime supremacy. Contemporary China has revived intense interest in his voyages as evidence of Chinese technological sophistication and cultural reach centuries before European global exploration. The Zheng He Museum in Nanjing, established in 2005 for the 600th anniversary of the First Voyage, commemorates his life through models of the treasure ships and documentary exhibitions. Chinese textbooks prominently feature the voyages as evidence of a historically outward-looking Chinese civilization.

In scholarly circles, Zheng He’s expeditions are understood as representing a crucial moment of divergence: a civilization that had reached the technological and organizational capacity for global maritime dominance chose instead to retreat. The structural reasons for the retreat remain debated: some historians emphasize the Confucian ideological hostility to commerce and novelty; others stress the genuine military costs of maintaining northern land defenses against nomadic threats; others point to the factional politics of the Ming court in which eunuch power (represented by Zheng He) was perennially resisted by the Confucian bureaucracy.

Gavin Menzies’s popular book 1421: The Year China Discovered the World (2002) argued controversially that Zheng He’s fleets reached the Americas, Australia, and Antarctica before European explorers—a claim almost universally rejected by professional historians but widely read. The scholarly consensus holds that Zheng He’s fleets reached no further than East Africa and the Arabian Peninsula, consistent with the evidence of the Chinese chronicle sources and the absence of any archaeological evidence of Chinese presence in the Americas predating European contact.

Zheng He’s personal legacy includes his status as one of history’s greatest navigators and logistics administrators. Managing fleets of 200–300 ships and 28,000 personnel across ocean voyages lasting 18–24 months—without modern communications, with only celestial navigation and accumulated chart knowledge—represents an organizational achievement of the first order. His diplomatic skill in navigating the complex politics of the Indian Ocean world, managing tributary relationships with dozens of culturally diverse states while avoiding major military entanglements, was equally remarkable.

Related

• The Ming Dynasty — the dynasty that sponsored Zheng He’s treasure voyages and benefited from their prestige and commercial gains.
• The Silk Road — the earlier trans-Eurasian trade network that Zheng He’s ocean voyages partially superseded and paralleled.
• Economic Reform & Opening-up — contemporary China’s renewed engagement with global maritime commerce, centuries after Zheng He’s retreat.
• The Great Wall of China — the land-based defense structure that conservative officials prioritized over maritime expansion.
• The Great Leap Forward — a later moment where ideological priorities overrode practical realities, with catastrophic consequences for Chinese society.
• The Tributary System — the ritual-diplomatic framework Zheng He’s voyages served, drawing tributary missions to the Ming court from across the Indian Ocean.

Sources

• Ma Huan. Yingya Shenglan (Overall Survey of the Ocean’s Shores), c. 1434; English translation by J.V.G. Mills, Cambridge University Press, 1970. Eyewitness account by a Muslim interpreter on at least three of Zheng He’s voyages; the primary narrative source for the expeditions.
• Joseph Needham. Science and Civilisation in China, Vol. 4: Physics and Associated Technologies, Part 3: Civil Engineering and Nautics. Cambridge University Press, 1971. Technical analysis of Ming ship construction and navigation technology.
• Louise Levathes. When China Ruled the Seas: The Treasure Fleet of the Dragon Throne, 1405–1433. Simon & Schuster, 1994. Comprehensive historical narrative of the treasure voyages and their termination.
• Edward Dreyer. Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. Pearson Longman, 2007. Scholarly biography incorporating recent archival research.
• Philip Snow. The Star Raft: China’s Encounter with Africa. Weidenfeld and Nicolson, 1988. Focus on Zheng He’s interactions with African states and the establishment of tributary relationships.
• Gavin Menzies. 1421: The Year China Discovered the World. William Morrow, 2002. Popular narrative arguing Zheng He’s expeditions reached the Americas; controversial and largely rejected by professional historians but influential in popular understanding.
• Geoff Wade. “The Zheng He Voyages: A Reassessment.” Journal of the Malaysian Branch of the Royal Asiatic Society 78.1 (2005): 37–58. Critical scholarly reassessment of the voyages’ scope and evidence.