Abstract： INTRODUCTION In the 1950s,clinical pharmacy emerged in the United States and gradually developed into an indispensable component of the clinical services system.The American College of Clinical Pharmacy defines clinical pharmacy as a pharmaceutical field that tocuses on the science and practice of rational drug use.[1] Since its emergence,people have explored the clinical drug management needs that can be provided by pharmacists.Initially,as a supplement to nurses,pharmacists worked in clinical settings and were mainly involved in reducing medication errors,controlling drug costs,and monitoring adverse reactions.