Leibo county is located in the joint zone of Yi-Han culture.The local ethnic culture is rich;And the national culture details are profound.And the Yi folk songs are various type.There are both the original ecological Yi folk songs formed because of the closed living in different historical forms and continuously developing deductive modern Yi folk songs formed by the long-term harmonious blending of Yi-Han culture,which is the crystallization of the wisdom of Yi people and the important carrier of national culture.This paper selects many documented or oral spread Yi folk songs,divides the theme and analyses the musicology systematacially.It strives to reflect the Yi folk songs’ development and evolution in Leibo county and search for the suited strategy path to inherit and carry forward this national treasure.