本文从一条未受学者关注的滇川藏毗邻藏区的环境史料入手,结合其他史料记载,对该史料记录的清代滇川藏各交通沿线的自然地理状况进行分析的基础上,对滇西北藏区各民族的生存环境及其变迁状况进行详细探析,并在前人研究成果的基础上,简要分析该交通路线的军事政治目的,说明这次探测及记录在清王朝稳定西藏政局、平定藏区叛乱及控制中甸的战略中所发挥的积极作用。 Based on the historical data of other places in the adjacent Tibetan areas in Yunnan and Sichuan provinces, this paper analyzes the natural and geographical conditions of all the traffic along the Yunnan-Yunnan-Sichuan-Tibet Highway recorded in the historical records, Based on the previous research results, this article briefly analyzes the military and political purposes of the traffic route, and shows that the detection and recording during the Qing Dynasty stabilized the political situation of Tibet and set the stage for Tibet District rebel and control of Zhongdian’s strategy played by the positive role.