“藏彝走廊”,是费孝通先生1980年前后提出的一个历史——民族区域概念,主要指今川、滇、藏三省区毗邻地区由一系列南北走向的山系、河流所构成的高山峡谷区域。在我国西部青藏高原东南缘的西藏东部和四川、云南西部一带,存在着一个非常独特的山脉、河流均呈南-北走向的地理单元,这就是闻名于世的横断山高山峡谷地 The “Tibet-Yi Corridor” is a historical-ethnical regional concept put forward by Mr. Fei Xiaotong around 1980. It mainly refers to the area adjacent to the current provinces of Sichuan, Yunnan and Tibet consisting of a series of mountains and valleys that run north and south and the alpine valley formed by rivers . There is a very unique mountain range in the eastern part of Tibet and the western part of Sichuan and Yunnan in the southeastern Qinghai-Xizang Plateau in western China. All the rivers have a geographic unit of south-north direction, which is known as the Hengduan Mountain alpine valley