在近代中国经济史研究中,国际贸易备受关注,而国内贸易却很少有人问津,这一定程度上影响了我们对近代经济发展脉络的准确把握。本文认为近代云南省际贸易在曲折的发展过程中,贸易范围扩大,商品结构改善,贸易量增加,省际贸易与国际贸易形成良好的互动机制,促进了云南乃至整个西南地区社会经济的发展和区域市场的形成,使云南成为近代中国对外贸易的桥头堡。 In modern China’s economic history research, international trade attracts much attention, while domestic trade seldom pays attention to it, which, to a certain extent, affects our accurate grasp of the context of modern economic development. This paper argues that during the twists and turns of Yunnan inter-provincial trade in modern times, the trade scope expanded, the commodity structure improved and the trade volume increased. The inter-provincial trade and international trade formed a good interactive mechanism and promoted the social and economic development in Yunnan and the entire southwestern region. The formation of a regional market has made Yunnan a bridgehead for China’s foreign trade in modern times.