Abstract: The purpose of this study is to examine development of the student's general self-esteem,specific self-consciousness and independent consciousness from 7 to 11 grade.The result shows that:1.With grade's improving,the general self-esteem,specific self-consciousness and independent consciousness become gradually more and more deep and stable.2.The focus of student's self-consciousness is gradually converted from physioloical aspects to mental aspects and social intercourse.3.The development of student's general self-esteem differs from that of the specific self-consciousness.

Key words: self-consciosness, self identification, independent consciousness, specific self-consciousness