Abstract: Objective By analyzing the characteristicsand regulars of adverse drug reaction/event(ADR/ADE) occurred in one hospital, to provide reference for clinical rational drug use. Methods To adopt the reviewing analytical method to count up and analyze 237 cases ADR/ADE report,these ADR/ADE reports were received from Jan. 2006 to dec.2008 by one hospital. Results Out of the 237 cases ADR/ADE reports,58 showed ADR among the over 60 year old group, amount to 24.47%. Leading the list were antibiotics(56.92%).The clinical expression of ADR is showed mostly skin and appendix harms, amount to 39.18% .The suspected ADR cases induced by intravenous route were most common,amount to 75.10%. Conclusion ADR monitoring is an important work for medical institutions, and pharmacovigilance is conducive to patients' medication safety.

Key words: adverse drug reaction/event(ADR/ADE), analysis, pharmacovigilance