西方药物之传入我国可以远溯至汉代初叶。建元三年(公元前138年),汉武帝命张骞出使月氐,在西域及波斯诸国甚久,回国时带回了一些植物,其中不少是药用植物,如胡桃、石榴、胡麻等等。以后历代都有一些西方药物输入。至明末清初,西方药物传入渐多。其中有的是由西方传教土带进我国的,如1663年清 The introduction of western medicine into China can be traced back to the early Han Dynasty. Jianyuan three years (138 BC), the Han Wu Emperor Zhang Qian month, in the Western Regions and Persia for a long time, returned to bring back some plants, many of them are medicinal plants, such as walnuts, pomegranates, Flax and so on. After all ages have some western medicine input. To the late Ming and early Qing dynasties, western medicine was introduced more. Some of them were brought into our country by Western missionary soil, such as the Qing Dynasty in 1663