Objective To probe into the status of self-concept and its influencing factors of middle school students in Chongqing

so as to provide the evidence for practical education and teaching.Method The TSCS were used to measure 306 ungraduate students in some middle schools in Chongqing.Results On the moral 1evel

self-physical 1evel and self-social 1evel

the students in grade 1 had higher scores than students in grade 2

but had lower grades on the self-critical 1evel（P< 0.05 or P<0.01）.On the moral 1evel

self-physical 1evel

self-identity level and self-action level

female students’ scores were higher than male students’（P<0.05 or P<0.01）.And students who had different study levels had different scores on the self-idential level

the top students had higher scores than other students except on the self-critical level.Conclusion On the self-concept

the students in grade 1 are more active than students in grade 2

the female students are more active than male students and the students who have high study level are more active than those with lower study level.