Abstract: Objective To explore preventive measures and improve the quality of drug dispensing by statistical analysis of internal outpatient pharmacy dispensing errors. Methods The dispensing errors in outpatient pharmacy in our hospital from May to June 2012 were statistically analyzed. Results Among 81 533 pieces of prescription dispensing, there were 162 pieces of error dispensing(0.20%), including the variety errors, inaccurate quantity, specification errors and omission errors. 79 cases were attributed to variety errors, accounting for 48.77% . Errors occurred frequently at 10: 00 ~12:00 a.m. Conclusion The pharmacy management should be strengthened. The system should be improved. The pharmacy personnel should improve their senses of responsibilities and professional qualities to reduce dispensing errors so as to ensure the safety and utility in clinical medication

Key words: outpatient pharmacy, drug dispensing, inner errors