As a new national traditional sport，“Dati dance”of Yi people has extensive Mass Basis and are enjoyed by large numbers of people.“Dati dance”has its unique characteristic，connotation and thousands of years' history. It is a new national traditional sport including athletics，dance and music. There are a lot of advantages of Yi People's“Dati Dance”including fitness，relaxation，entertainment，cultivating people’s sentiment，inheriting national culture，promoting the healthy development of civilization. It’s very necessary to extend and inherit“Dati Dance”because it is the trend of times and the public option. It is also important to carry forward the national sports culture.