Ethnic folk music is an important p art of the traditional culture of ethnic minorities. However, with the development of economy,the environment of minority folk music is changing,and the inheritance of minority folk music is facing difficulties. At the same time,by the support of relevant policies,in recent years,the southwest minority areas of cultural tourism is developing in full swing, which gives the local folk music heritage has brought new opportunities.Analyzes the current situation of inheritance of folk music of minority nationalities in the southwest,analyzes the influence on the inheritance of the southwest folk music culture from the perspective of tourism development,and analyzes the feasibility of cultural tourism through the inheritance of southwest minority folk music.