Cadets are the future of the army, the output of commanding talents increase year by year. Therefore, the enhancement of military occupation identity, culture consciousness and modern values should be seized from the cadre’s cradle ——the military school . While the Tibetan Tibetan cadets as a relatively good cutting special group is the backbone to promote Tibetan development in the future, they have a more profound sentiment in the development of the nation in the future, they also have a strong national sense of belonging and sense of responsibility. Therefore, it is of theoretical significance and practical significance to study the relationship between ethnic identity and professional identity.In this study, 180 different schools of Tibetan students as the research object, we adopt the way of questionnaire survey. The study on the relationship between occupation and national identity. We put out 180 questionnaires, and 169 questionnaires were taken back. The study shows that the Tibetan students’ ethnic identity and occupation identity was negatively correlated. The results of the study are discussed and analyzed:To strengthen cadets’ professional mission and professional sense of honor;To strengthen cadets’ ideological and political education, improve their professional ethics and enhance their sense of responsibility of the Chinese nation;Optimize cadets' personality.