Abstract：159 research reports about the status of graduate students' mental health are studied with the method of meta-analysis. The results show that the status of graduate students' mental health is located between Chinese Youth Norm ( CYN) and Chinese College Norm ( CCN) , there is no significant difference between that of males and females, the status on the whole has improved slightly during the past 13years, and the type of university and year of report publication play a key role on the research result.

Keyword：graduate students;symptom checklist 90 (SCL-90) ;meta-analysis;combined effect size;mental health;