The perioperative period is the time when the nurse welcomes the patient into the surgical ward to the postoperative healing discharge, called the perioperative period, also called the whole period of surgery, including pre-surgery, mid-surgery and late surgery. Family members need to do more things in the pre-surgical period, mid-surgery in the operating room or early in the late period in the ICU, the notes are as follows: 1. In the pre-surgical period, first of all, psychological care is needed to avoid fear and anxiety about surgery, in addition to the need to improve cardiopulmonary function, pay attention to rest and prevent colds during the preparation for surgery. At the same time, intermittent oxygenation can be used to increase lung tissue oxygenation and improve pulmonary hypertension, which can reduce pulmonary vascular resistance and improve the long-term effects of surgery. Also need high calorie, high protein, high vitamin and low salt diet; 2. Early in the recovery period of surgery in the ICU, but after the condition is stable, the patient will be transferred to the ward, in addition to the care of nursing staff, family members need to assist in monitoring the heartbeat, respiration, blood pressure, and even urine volume, including analgesia, pipeline care, at this time parents also need to pay attention to appropriate nutrition management; 3. After discharge from the hospital also need to do recovery exercises to ensure that the postoperative period does not leave There are after-effects of surgery.