Abstract:      Located in western Yunnan，Yunlong has a long history of salt production and has always been an important saltproducing area in Yunnan Province. Before the Ming Dynasty，the imperial courts had been adopting indirect governance of Yunlong， and the region east of Lantsang River had been ruled by the local chieftains for a long time.The west bank of the Lantsang River is animportant Wujing （Five-Well）salt area. In the 15th year of Hongwu （1382），the Ming government set up a lifting School inNuodengjing to manage salt affairs.In the 48th year of Wanli （1620），Yunlong began to "Gai Tu Gui Liu （transform chieftains into local officials"，to merge salt affairs into prefecture affairs and to move the capital into the salt-well area. Through the saltadministration reform，the governance of border areas had achieved remarkable results，which are manifested in promoting the development of local economy，strengthening the construction of local political power，enhancing the interaction and integration of ethnic groups，and enhancing ethnic and national identity.

Key words: Wujing in Yunlong, salt-administration reform, border governance, achievements