:《蒙古源流》中有段记载 ,明代蒙古族鄂尔多斯部的库图克台彻辰洪台吉引兵图伯特 (吐蕃 ) ,曾到达“锡里木济三河交汇之地” ,但锡里木济三河交汇之地究竟在何处 ,一直没有具体的考证结论。而此地作为藏族地区 ,在藏传佛教传入蒙古的过程中曾起过非常重要的作用 ,因此 ,查明这个地区的地望 ,对于研究藏族历史、蒙古族历史以及蒙藏关系史等都有重要的学术价值。本文从历史文献资料入手 ,对“锡里木济三河交汇之地”的地望作了初步的考查 ,认为“锡里木济三河交汇之地”当在今天青海省大通县境内 ,即宝库、黑林和东峡三河交汇的地方 : “Mongolian origin” in a section of records, the Mongolian Ordos in the Ming Dynasty Kutucai Tetsu Chen Hongtai Ji Thibault (Tubo), had reached “the intersection of the Western and Western rivers, Where is the place where the wood economy meets the river? There has been no specific research conclusion. As a Tibetan region, the place played a very important role in the process of the introduction of Tibetan Buddhism into Mongolia. Therefore, it is of great significance to find out the geography of this area and to study the history of Tibetans, the history of Mongolian and the relations between Mongolia and Tibet Important academic value. This article starts from the historical documents and data, and makes a preliminary examination of the land of ”the place where the Three Rivers of the Western and Western Rivers converge.“ When ”the place where the three rivers of Shilin River meet" should be within the territory of Datong County in Qinghai Province today, Black Forest and East River where the intersection of the three rivers