Abstract: Objective To evaluate the effect of crisis intervention on prevention of patients with mental disorder who had suicide ideas or attempt to commit resuicide.Methods 280 patients with mental disorder,holding suicidal ideas or attempting to suicide were randomly divided into the intervention group and control group with 140 cases in each group.The diagnosis of all patients was accorded with the CCMD-3 criteria.The cases of the control group only accepted routine treatments and cares in the hospital,and drug maintenance therapy after discharge.The cases of the intervention group accepted a comprehensive treatment of crisis intervention except the routine treatments.All cases were evaluated when they were admitted and 6 and 12 months after discharged.Results After discharged 6 months and 12 months,the social supports and treatments compliance of the intervention group were better than that of the control group(P<0.01),while suicidal ideas and the numbers of suicides were less than the control group significantly.Conclusion The crisis intervention can improve patients' social supporting and treatment compliance,eliminate their suicide ideas,and prevent the patients committing resuicide significantly.

Key words: crisis intervention, mental disorder, suicide