Abstract: Objective To reduce pharmacy potential medication errors to ensure patient safety and improve the quality of service. Methods Analysing 465 cases of errors by statistical errors types, find out the cause of the errors, and put forward the corresponding countermeasures. Results There are 283 cases of errors, accounting for 61.5% , ranking the first place of error occurred. The main reasons that caused the errors include similar name of the drug, prescription identification error, similar drug packaging, and adjacent medicines etc. Conclusion Causes of medication potential errors are various. Based on the realities of pharmacy, the corresponding countermeasures should be put forward to ensure maximum safety of patients.

Key words: pharmacy, potential errors, countermeasures