This article reports 100 cases of suicidal emergency inpatients. Among them the suicide death rate is 13% and mental disorders are the most important cause.Taking drugs are the main way of suicide. The less identification rate of mental disorders is found in general hospital.This findinig strongly suggests that the importance of mental health should be stressed and the wide publicity and education for knowledge of mental disorders and the development of consulation liaison psychiatry are vital for the suicidal intervention.