The idea of sustainable development has been accepted all over the world since 1990, Meanwhile, each country's government has been taking the problem of eliminating poverty as one of its major political economic aims. In the Minority Nationality areas, poverty and backwardness appear to be much more serious, so the idea and method of sustainable development are their impending choice if they want to extricate themselves from poverty and make their economy, society, and ecological enviornment develop coordinatedly. With the Factor Analysis model this thesis intends to disclose which factors are most important for the sustainable development of the Minority Nationality areas.