Recovery of postoperative delirium mainly includes measures such as further observation, drug treatment and enhanced nursing care. Clinically, postoperative delirium is mostly caused by incomplete metabolism of anesthesia drugs. If the symptoms are mild and gradually improving, further observation can be considered along with postoperative treatment, and usually recovery can be achieved in 2~3 days. If the symptoms of postoperative delirium are more serious or last for a longer period of time, drug treatment is needed, such as cognitive impairment and babbling caused by anesthesia factors can be given to wake up the brain; those caused by hepatic encephalopathy can be combined with liver-protecting drugs, such as magnesium isoglycyrrhizinate; those caused by postoperative infections need to be combined with the anti-infective treatment of cefuroxime; and those accompanied by irritable and aggressive behaviors can be taken to take olanzapine. Postoperative delirium in addition to the above treatment, but also need to strengthen the nursing work, for low activity delirium should pay more attention to communication, communication, and high activity delirium need to be appropriate control of its activities, in order to prevent the patient from being further harmed. Postoperative delirium should be taken seriously, and it is recommended to go to regular hospitals, and if necessary, psychiatry, infectious diseases and other related departments may need to consult and treat. All medications should be used under medical supervision.