Abstract: ObjectiveTo study the relationship between learning achievement and mental health status in junior school students.MethodsStudents'general condition questionnaire,interpersonal testing scale and behavior problem questionnaire rated by teachers were conducted among 411 students who were in the first and second grades in the 21th Junior High School in Taiyuan.ResultsThere was close relationship between learning achievement and mental health status.They were influenced and to be the cause and result each other.ConclusionThe students who had better self-understanding and interpersonal relationship were better students,and the students who had worse interpersonal relationship or more behavior problems were lower ones.