Bimo culture has a long history, profound implication, is the core of the traditional culture of the Yi nationality,it is related to Yi nationality social structure, historical development, cultural heritage, ethnic psychology, ethnic identity and other issues, has significant research value and inheritance. But under the impact of modem civilization, Bimo culture is facing the crisis of inheritance: reducing the number of Bimo, Bimo uneven quality, lack of Bimo literature and instrument.... The author tries to reason Bimo heritage crisis from the impact of foreign culture and the weak internal protection, and put forward to strengthen the relevant theoretical research to the inheritance and protection of Bimo culture, forming suggestions of Bimo community and Bimo heritage subsidy system