Abstract: Objective To investigate the situation of drug usage in the outpatient prescription and give proposition so as to provide reference for the practice of prescription evaluation system. Methods 507 Outpatient prescriptions from July 16 to July 20 in 2010 in our hospital collected were evaluated, in accordance with "Hospital Prescription Requirement for Evaluation". Results Most outpatients in our hospital were chronic patients, accounting for 71.4% , and the mean age of outpatients was(57.03±17.52). The utilization of Injections and antibiotics was rational on the whole, and their application ratios were 27.4% and 25.4% . Prescriped drugs were mostly covered in "the national essential drugs" (98.2%), and with highly general name ratio(99.3% ). Irrational prescriptions involved in illegible handwriting (17.0%); prescription dosage over 7 days without re-sign and unspecified reasons (41.3%); drugs inappropriate indication (13.3%) and use of inappropriate dosage (17.7%). Conclusion In our hospital, the evaluation of prescription was in initial stage, and the analysis rational drug use need to deep. So pharmacists should learn continuous ly in order to promote drug safety, effective, economic, rational use and to protect medical safety.

Key words: prescription evaluation, outpatient, rational use of drug