苕溪是浙江八大水系之一 ,是太湖流域的主要水源 ,也是太湖与钱塘江之间的主要交通要道。作为江南的一个次区域 ,具有地理文化学上的范本意义 ,但在江南区域历史地理研究中 ,以河川流域作为次区域研究目前比较少见。正基于此 ,本文从人口集聚、水利兴修、次中心点的形成和社会经济发展状况等几方面入手 ,通过对秦汉时期苕溪流域开发的研究 ,揭示次流域经济圈在早期开发中的一般规律和特点 Su River is one of the eight major water systems in Zhejiang Province, is the main source of water in the Taihu Lake Basin, but also between the Taihu Lake and Qiantang River between the main traffic arteries. As a sub-region in the south of Yangtze River, it has the model significance of geography and culture science. However, in the study of the historical and geographical geography of the Jiangnan region, it is relatively rare to study the river basin as a sub-region. Based on this, this article starts from the aspects of population concentration, water conservancy construction, the formation of sub-center and social and economic development. Based on the research on the development of Tuxi River Basin during the Qin and Han dynasties, this paper reveals the general laws of the economic development in the sub-basin during its early development and Features