Objective To analyze the factors influencing the suicide behavior of adolescents in Guangzhou. Methods The 100 cases of adolescent suicide behavior were selected as the observation group, 100 healthy adolescents were selected as control group, compared with two groups of adolescent family structure, family education, personality traits and other indicators. Multivariate logistic regression analysis of risk factors was taken for suicidal behavior. Results In the observation group adolescent depression scale, anxiety scale, attack impulse personality and personality amount scores were higher than those in the control group, single parent family or parents staying outside, improper family education, school health psychological education, depression or anxiety, impulsivity, or aggressive personality, negative events, negative coping were independent risk factors for adolescent suicide, P<0.05. Conclusion Parents and schools should have guide to adolescents, toface life positively, and give up thought of suicide.