Objective To retrospect survey of elderly patients potentially inappropriate medication among in -patients.Methods With Beers standard of judgment (2012 Edition) as the basis of our hospital, 320 patients over 65 years old hospitalized patients with potential risk of drug evaluation were to determine the prevalence of potentially inappropriate medication.Results 320 cases of elderly hospitalized patients with an average age of 73.4 years old, the average drug 8, 43 cases (13.6%) of potential drug -related inappropriate medication, 28 cases (8.7%) of po-tential associated with the disease or condition is not appropriate medication .Conclusion Elderly hospitalized pa-tients potentially inappropriate medication is serious , and we should take various measures to prevent the irrational drug use.