跨界民族研究是世界民族研究学科中的一个新领域。跨界民族问题的形成往往关涉政治、历史、文化、民族、国际关系等多重因素,对其进行研究自然不能局限于民族学范畴,而应该是开放性的。社会安全理论恰恰就是国际政治学者之于人类共同体“认同”安全的深入思考,本文将这一理论引 Cross-border ethnic research is a new field in the world’s ethnic studies. The formation of cross-border ethnic issues often involves multiple factors such as politics, history, culture, ethnicity and international relations. Research on them can not be confined to ethnology but should be open-ended. The theory of social security is just an in-depth reflection of the security of “identity” of international political scholars in the human community. This article introduces this theory