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How did Buddhism reach China during the Han dynasty?

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Map showing the Han Empire's territory around 100 BCE, shaded in orange, covering much of eastern China and extending westward. The map also marks the boundary of modern China and highlights the Great Wall running along the northern frontier, built for protection against the Huns. Major rivers and the capital, Chang'an (Xi'an), are labeled. — Han dynasty Map showing the extent of the Han empire c. 100 bce.

Buddhism reached China during the Han dynasty primarily through gradual transmission along trade routes, most notably the Silk Road, which facilitated the exchange of goods and ideas between China and the West.12

While reports of Buddhists in China exist as early as the 3rd century BCE, active propagation began in the early centuries of the Common Era. The introduction is often attributed to a tradition involving Emperor Mingdi, who, after dreaming of a golden deity, dispatched emissaries to India to retrieve Buddhist literature.13

Early information was likely carried by traders, envoys, and monks. Once introduced, the religion spread through:3
* Missionary and Scholarly Exchange: Indian missionaries and Chinese scholars collaborated to translate Buddhist sutras into Chinese, often utilizing Daoist vocabulary to make the concepts intelligible.43
* Cultural Integration: Because early Buddhism in China was heavily influenced by magical practices, it shared a degree of compatibility with Daoism, leading to a period of virtual symbiosis between the two traditions.43

Despite these efforts, Buddhism initially lacked broad popular appeal during the Han period, as the intellectual elite remained focused on Confucian classics.3