180 days. According to the "Notice of the Liancheng County Health Bureau on Issuing the Anti-Drug Work Plan" issued by the Liancheng County People's Government Health Bureau on July 19, 2021, all medical institutions must strengthen the safe storage facilities of anesthetic drugs and must be equipped with safes. Install video surveillance devices and have anti-theft facilities on doors and windows. Key departments equipped with anesthetic drugs, such as outpatient and emergency pharmacies, inpatient pharmacies, wards, operating rooms, and endoscopy rooms, must use double-lock safes or intelligent anesthetic preparation cabinets to store them. The storage areas are equipped with anti-theft facilities and security monitoring systems. . Strengthen drug safety precautions in operating rooms and install video surveillance devices to monitor drug retrieval and drug recovery. In principle, the storage period of relevant surveillance videos shall not be less than 180 days.