OBJECTIVE:To establish database of "Drug Information Inquiry System" in order to provide details of drugs for clinical physicians and patients and promote rational use of drug.METHODS:Drug information was collected and Microsoft Access 2003 software was applied to establish database of "Drug Information Inquiry System".RESULTS:The database can offer concrete information such as dosage form,specification,indication,dosage and usage and manufacturers,etc.CONCLUSION:The database is in line with clinical practice,and it is simple and practical to serve for the clinic.