OBJECTIVE:To explore regularity and characteristics of ADR in our hospital,and to provide reference for rational drug use in the clinic. METHODS:A total of 368 ADR collected from Zhengzhou People’s Hospital during 2013-2014 were analyzed statistically in respects of patient’s gender,age,drug types,route of administration,dosage form,organs or systems involved in ADR,clinical manifestations,ADR outcome,etc. RESULTS:Of 368 ADR reports,female was more than male (52.99% vs. 47.01%);the number of patients aged more than 50 years was the most(36.14%);most of ADR cases were induced by antibiotics and TCM preparations,accounting for 40.22%,21.47%,respectively;among route of administration,most of ADR cases were induced by intravenous administration(85.60%);main clinical manifestations were lesion of skin and its appendants (39.95%),followed by digestive system (21.47%). After treatment,all patients were cured or improved,no death case was found. CONCLUSIONS:Clinic should strengthen ADR monitoring and analysis and evaluarion,strengthen the rational use of antibiotics and TCM injections and adopt measures to reduce drug risk.