根据历史记载,黄河流域是我国蚕业最早的发源地,以后向南推移,渐及长江流域和珠江流域.逐步形成了江、浙、川、粤等省蚕业比较发达的地区。汉武帝时疏通西域,我国的绢帛,随着输送到中亚西亚、伊朗和印度等地。从此,中国丝绸名闻世界。晋代末年,蚕桑事业随着汉族南下,遍及大江以南,相反北方的蚕桑事业日趋衰 According to historical records, the Yellow River Basin was the earliest birthplace of sericulture in our country and later moved southward to the Yangtze River and the Pearl River, gradually forming a sericulture industry with relatively developed areas in Jiangsu, Zhejiang, Sichuan and Guangdong provinces. When the Emperor Wudi dredged the Western Regions, China’s silk and silk fabrics were transported to Central Asia, Iran, India and other places. Since then, China’s silk famous world. In the late years of the Jin Dynasty, the sericiculture project went south along the Han River and south of the Dajiang River. On the contrary, the sericiculture cause in the north was declining