OBJECTIVE:To strengthen the management and risk control of 4 kinds of special drugs in pharmacy intravenous admixture service(PIVAS),and promote the drug use safety. METHODS:The 4 kinds of special drugs(high-alert drugs,hazard-ous drugs,important drugs/costly drugs and drugs needed for skin allergy test)in PIVAS were precisely managed by classification. The effect evaluation was carried out by tracer methodology. RESULTS:The 4 kinds of drugs were classified and managed by de-veloping specified directory,mading special logo,fixing position storage,strengthening medical order review,establishing emer-gency plan,daily inventory,batch number management,etc. It had standardized the management and use process of high-alert drugs,ensured the operational safety for hazardous drug and occupational protection,made the compliance rate reached 100% of important drugs/costly drugs,and ensured the consistency of preparation and use batch number of drug for skin allergy test basical-ly. Compared with before management(2015),the items ratio achieving good level(class B)and above in 18 evaluation indicators had increased from 22.23% to 94.44% after management (2016). CONCLUSIONS:The precise management by classification in PIVAS of our hospital has better controlled the management and risk of 4 kinds of special drugs in clinical use,and ensured the safe operation of PIVAS.