Objective: To explore the causes and countermeasures of medication errors and borderline error events

so as to provide evidence for reducing medication errors in our hospital. Methods: Based on the data of 277 cases of medication errors and borderline error events reported on the Adverse Events Information Platform of our hospital from Jan. 2017 to Sept. 2018

analysis was carried out from three aspects such as error link

error category and error person

and improvement measures were put forward to reduce medication errors. Results: According to the causes of errors

the system management was optimized

training was strengthen and PDCA quality was improved with the continuously improvement of solidification process and modification of systems and processes. Conclusion: Analysis of the causes of medication errors

borderline error events and quality improvement can an effectively prevent the occurrence of medication errors

minimize medication errors

promote rational clinical medication

and ensure the safe medication for patients.