Abstract: Objective To establish a pharmacy information subsystem based on a specific medicines list in a primary hospitial information system to ensure the health professionals getting exactly information of prescribed medicines to ensure using them effectively and safely. Methods A pharmacy information subsystem focusing on list medicine information access and updating was created with tool of Visual Basic. Acceptation of doctors and nurses were valuated by a questionaire on the priority about new medicines information. Results Information of over 1300 list medicines was managed in the pharmacy information subsystem, which brings the right prescribed medicine information with less load to the hospital information system networks. 76.3% doctors and 47.5% nurses check new medicines information such as dosage and drug interactions in the subsystem. Conclusion The pharmacy information subsystem with specific list medicine information in the primary hospital information system can supply the exact information of prescribed medicines to the health professionals to ensure appropriate utilization of medicines.

Key words: clinical pharmacy, pharmaceutical care, information system, appropriate utilization of medicines