The development of ambulatory surgery has posed a challenge to the anesthesia management. In order to standardize the management of ambulatory surgery anesthesia, the Chinese Society of Anesthesiology established an expert group of guidelines for ambulatory surgery anesthesia. By combining the international guidelines and the development status of ambulatory surgery anesthesia at home and abroad, this evidence-based guideline for ambulatory surgery anesthesia was formulated. The guideline includes nine parts: definition of ambulatory surgery, ambulatory surgery system, selection criteria for ambulatory surgery patients, preoperative pre-rehabilitation, pre-anesthesia assessment, pre-anesthesia preparation, intraoperative anesthesia monitoring, anesthesia methods, and post-anesthesia management for ambulatory surgery. A total of 26 recommendations were formed. The guideline aims to better guide the clinical practice of ambulatory surgery anesthesia and standardize the perioperative management of ambulatory surgery.