明清时期太湖地区蚕丝业是由中心区不断向外扩展的。明末天启年间 ,本地区蚕丝业出现第一次影响较大、持续时间较长的扩展 ,清代晚期 ,其蚕丝业的扩展又表现出新的特征。本文分三个阶段考察了本区域明清两代蚕丝业的分布状况 ,展现了这一扩展变迁的轨迹。同时从自然条件、经营蚕丝业的经济收益、蚕丝业发展的历史等方面探讨了其分布与变迁的原因和影响 The silk industry in the Taihu Lake during the Ming and Qing Dynasties continued to expand outward from the central area. During the late Ming dynasty, in the late Qing Dynasty, the silk industry in the region showed its first major impact and prolonged extension. In the late Qing Dynasty, its silk industry showed new characteristics. This paper examines the distribution of silk industry in Ming and Qing dynasties in this region in three stages and shows the trajectory of this expansion and change. At the same time, the causes and effects of its distribution and changes were discussed from the aspects of natural conditions, the economic benefits of silkworm industry and the history of silk industry