Objective To analyze the etiology and clinical features of drug-induced liver damage,in order to draw more attention to this problem. Methods Two hundred and fifty-six cases over a 10-year period were retrospectively analyzed. Results A variety of drugs,in-cluding traditional Chinese medicines(23.8% of our total cases)and immunosuppressive agent(11.7%)caused liver damage. The main clinical manifestations of it were fatigue,nausea,vomiting and jaundice. In 78.5% of our cases,the symptoms were relieved or completely disappeared, but there was still 6.6% mortality rate. Conclusion The clinical features of drug-induced liver damage are of no specificity,and the mortality of it is high. Liver function should he monitored when suspected are prescribed.