Abstract: Objective: To investigate the psychological situation of the relatives of mental illness patients with dangerous behavior.Methods: Sixty relatives of mental illness patients in the rural areas of Huaiyuan county treated in our hospital were randomly selected,and their psychological situation was surveyed by SCL-90.Results: The positive score of SCL-90 in the relative of patients with serious mental illness was obviously higher than that of normal subjects,and all the factorial scores were significantly higher than those of normal subjects.The difference was statistically significant (P<0.001~P<0.05).The depression factors in female relatives were significantly higher than those of male relatives (P<0.05).Conclusions: There are serious psychological problems in the relatives of patients with serious mental illness in rural areas,which is significantly higher in female relatives than in the male members.In order to improve the prognosis of patients with dangerous behavior in rural areas,mental intervention should be extended to the relatives of mental illness patients,particularly the female relatives.