Objective To explore the active intervention play what role on improving mental health of college students. Method Use cluster sampling method and SCL-90 to investigate the mental health of the public course psychological counseling students. Mental health （SCL-90-all at>2.5） as a student in the experimental group

to carry out the active intervention for a period of 8 weeks of psychological

mental health of students as a control group that did not carry out any psychological interference. Results After the interference experiment

unhealthy people from 29 down to 4 （13.79%）

there are 25 students’（86.21%） factor scores of （SCL-90<2）

mental health had improved significantly; In the experimental group before the interference of mental health

the factor scores were higher than control group （P<0.01）

after the interference

there was no significant difference between experimental group and control group on Somatization

paranoid

other these three factors; After the interference

the experimental group of mental health

all factors except the hostility were lower than before experiment （P<0.01）. Conclusion Active interference to prevent illmental health university students suffering from psychological crisis has important practical significance.