Narcotic drugs and class Ⅰ psychotropic substances have always been special management drugs in medical institutions. Although relevant policies and regulations have been introduced at the national level ，there are problems of poor policy understanding and inconsistent implementation in medical institutions in the process of policy implementation. In order to standardize the management of narcotic drugs and class Ⅰ psychotropic substances in medical institutions of Yunnan province ， based on the preliminary research and Delphi expert consultation ，this editing group finally formed the Expert Consensus on Key Links Quality Control Management of Narcotic Drugs and Class I Psychotropic Substances in Medical Institutions of Yunnan Province by focusing on the key aspects of quality control of key links for narcotic drugs and class Ⅰ psychotropic substances in medical institutions ，aiming to provide reference for the clinical use and management of narcotic drugs and class Ⅰ psychotropic substances in medical institutions of Yunnan province.