Objective To promote rational drug use by investigating quality of the outpatient and emergency prescriptions in the hospital .Methods We statistically summarized the evaluations of prescriptions and analyzed the drug use from January to Novem-ber ,2012 .Results The outpatient and emergency prescriptions were compliant to relevant writing standards ,without missing i-tems .The inaptitude of prescriptions were mainly in forms of inappropriate indication ,usage ,and dosage of drug and menstruum . The irrational prescriptions accounted for 5 .5% of those evaluated .Conclusion Rational drug use has been basically ensured through implementation of prescription evaluations and interventions .Irrational prescriptions exist in relatively small scale and are to be eliminated .