Abstract: Objective To investigate the present situation of ADR monitoring of the medical institutions and analyze the existing problems and provide practical recommendations. Methods The method of cluster sampling was adopted and the questionnaires were administered to the medical institutions in Jiangsu, Guangdong, Henan, Hebei, Shanxi and Sichuan province. Descriptive Statistics and Chi-square test are used to analyze the returned questionnaires with SPSS 18.0. Results 199 effective questionnaires were received. the ADR staff are part-timers in most medical institutions. The funds and resources need to be strengthened. The communication, propaganda and training of ADR work of various regions are different. The ADR report is good. The job satisfaction is middling at best. Conclusion The part-timers' amount of work, working hours and payments should be determined rationally. Medical institutions should make use of their own advantages to raise money. Medical institutions in western regions can take some measures, such as organization intervention, to ensure that ADR works are carried out smoothly.

Key words: medical institution, drug adverse reaction(ADR), investigation