Abstract: Objective To investigate the effect of group psychological counseling based on the theory of positive psychology on college Students' depressive symptoms,thus to provide reference for the positive psychological group counseling in universities.Methods 56 students out of 1 870 college students from a university in Jiangxi Province was found SCL depression factor greater than 3 screening criteria,and may have depressive symptoms.Group counseling intervention,experimental group and control experimental Design group was used before and after the test.Track testing,integrated happiness questionnaire (MHQ),self-Rating depression scale (SDS),psychological resilience Scale (CD-RISC) were adopted as assessment tools.And the final completion of all experiments content of 45 students.Results Group counseling intervention,compared with the control group,the experimental group multiple factor comprehensive well-being (life satisfaction,positive affect,self-worth,friendly relations,happy experience)significantly increased,life satisfaction factor improved 0.22,positive emotion increased by 3.86,self value increased by 0.40,the friendly relationship improved 1.59,happy experience improved 1.34,negative emotion factor of 9.91 from the previous survey dropped to 9.68,depressed level of(59.91±2.35) fell by a pretest to post-test of(53.36±2.84),the level of resilience increased by 2.28,and reached a significant level;Tracking assessment results show that after six months of group counseling,the effect is still there.Conclusion Group counseling based on positive psychology theory can improve their mental health of college students with depression and improve their level of resilience and well-being.