Abstract: This article reviewed the studies of alienation from the difinition of alienation, theoretical construction and experimental studies, etc., and from the whole, and found that (1) there are many different concepts of the alienation, the studies of alienation are lack of a general theoritical construction; (2) almost all the studies on alienation are only the reflection of European or Japanese culture, the results may not be fit for the Chinese people; (3) there are lack of studies on the high school students or hobbledehoys and (4) on the developmental characteristics of alienation and so we cannot understand the inner processes and continuity of individual alienation develops and changes. So we put forword an operative difinition of alienation and construct a two-level, ten-dimension alienation theoretical structure in this article.

Key words: alienation, social alienation, inter-personal alienation, environmental alienation.