本文探讨了明清时期洱海地区城乡集市、传统商品交易会及商业性城镇的发展变化情况;考察了主要商品及流向;分析了商人成分和商业贸易方式的变化;论述了商业对明清时期洱海地区生产的发展及资本主义生产关系的萌芽和成长所起的作用。从而对明清时期洱海地区的商业形成了一个初步的,系统的认识。 This article explores the development and changes of the urban and rural markets, traditional fairs and commercial towns in the Erhai area in the Ming and Qing Dynasties; examines the main commodities and their flow; analyzes the changes of the composition of merchants and the ways of commercial trade; The development of production in Erhai Lake and the role of the budding and growth of the capitalist relations of production. Thus, it has formed a preliminary and systematic understanding of the business in Erhai Lake during Ming and Qing Dynasties.