in Pearl River Delta

［Abstract］Objective　To investigate and analyse the psychological health states of postgraduate in different age group，and provide theoretical basis for psychological health education in postgraduates．Methods　SCL-90 was used in this investigation．Database was established by using the EpiData3.0 software，and the data were analyzed by utilizing spss19.0．Results　Only the additional factor scores were higher than the norm of Chinese adult （P＝0.002）；There were statistically significant differences for those postgraduates between 20～25 and 26～30 age group on the factors as somatization（P＝0.012），obsessive-compulsion（P＝0.003），Sensitivity for interpersonal relationship（P＝0.021），terror（P＝0.016），paranoid（P＝0.003）and psychoticism（P＝0.023）．Conclusion　The psychological health status of 26～30 age group is superior to 20～25 age group， college should be taken different modes of psychological health education for different age group.