The prefecture of Xishuanbanna implement the educational autonomy for above 30 years from 1950 to 1985. It took many special measures to promote the development of the Dai people’s education. Its educational autonomy is noted for no legislation about educational autonomy, no continuity and stability about the policy of educational autonomy. The work of educational autonomy has success and failure. These experiences and lessons will be a basement for legality of educational autonomy later on.