Objective: To check the effect of group counseling on the students' self-confidence in secondary technical schools.Methods: We adopted group counseling plan made by ourselves and trained twelve students who lack self-confidence for eight weeks.The plan which has been formed qualitatively and quantitativelyy is used to assess the effect of group counseling.Results: ①The students' self-assessment and confidence improved;②At the same time, the students' evasion and worry in social activities decreased.Conclusion: The results show that the group counseling which can improve students confidence has a good effect on decreasing students' evasion and worry in social activities and increasing their adaptability to society.