通过追溯同一性的渊源,分析Erikson同一性的实质内容,指出同一性在个体心理发展中所扮演的重要角色,并详细阐述了其在形成和发展中所要经历的几个过程和阶段。同一性是发展的同一性,它起始于幼儿早期,儿童期的结束意味着同一性的建立,Marcia的同一性状态理论使同一性的定义更加客观,但是,同一性的发生和发展不仅仅是自身、个体同一性的发展,更受到社会和文化因素的影响,Erikson的同一性包含了自我、社会、文化三方面的因素。 By tracing the origins of identity, this article analyzes the essence of Erikson’s identity, points out the important role that identity plays in the development of individual’s psychology, and elaborates on the several processes and stages that it needs to go through in its formation and development. Identity is the identity of development, which starts in early childhood, the end of childhood means the establishment of identity, Marcia’s identity theory of identity makes the definition of identity more objective, but the occurrence and development of identity not only Is itself, the development of individual identity, more affected by social and cultural factors, Erikson’s identity includes the self, social and cultural factors.