Abstract: Objective To estimate the risk factors of fall happening in the old inpatient of the department of psychiatry and make up preventing measures.Methods 128 old inpatient(36 male cases and 92 female cases,whose age were older than 60) were surveyed.All of the patients were evaluated for risk factors and were interfered by safe nursing and follow-up in duration of hospital stay and in one year post-discharge in order to prevent the occurrence of accident fall.Results Of the 128 investigation patients there were 49 patients(38.3%) who had fall history in the past year.And the female falling patients were 39,while the male falling patients were 10.There were no significant statistical difference between the male and female cases(P>0.05).Of the 128 investigation patients there were 2 fall patients(1.6%) after 1 year safe nursing interference(P<0.001).The risk factors found by Logistic analysis were non-cooperation,poor action ability,blurred vision and taking antipsychotic drug.Conclusion The risk ratio of old inpatient of the psychiatric department is high.The accident of fall should be prevented efficiently.

Key words: fall, psychiatric department, old patient, correlated factor