OBJECTIVE： To reduce the types of drugs which was not consistent with the accounts in monthly checking of outpatient department， reduce the wastage of dismounted drugs and improve dismounted drug management. METHODS： Through quality control circle （QCC）， analyzing the reasons for inconformity of accounts and drugs， adopting relevant countermeasures of staff training， cipher prescription， counter storage， managed by designated person， expiry data management and so on， the process of dismounted drug management was formulated and implemented. The types of drugs which was not consistent with the accounts and activity growth value of circle members were analyzed statistically before， during and after QCC. RESULTS： The types of drugs which was not consistent with the accounts were 33.6， 21.2 and 13.6 before， during and after QCC， decreasing by 59.5％. The activity growth value of circle members were all positive value. CONCLUSIONS： QCC of outpatient pharmacy can effectively reduce the types of drugs which is not consistent with the accounts in monthly checking， standardize dismounted drug management and improve pharmaceutical care quality.