Day surgery can shorten the average hospital stay and enhance the recovery of patients, and has great social and economic benefits. In order to provide reference for the establishment of standardized operating room management, West China Hospital of Sichuan University summed up the experience of past years to develop this management specification for day surgery operating room. The main contents of this specification include: the principles of scheduling day surgery; the resource allocation of operating room; operating room nursing care, nursing points, and precautions. The release of this specification is conducive to the improvement of the nursing management for day surgery operating room, and the promotion of day surgery.