Indications for surgery: (1) Haller index greater than 3.2 on CT (2) Pulmonary function suggesting restrictive or obstructive airway pathology (3) Abnormalities such as incomplete right bundle branch block and mitral valve prolapse on ECG and echocardiography (4) Progressive deformity with significant symptoms (5) Deformity affecting the patient’s life and complicating psychological problems such as low self-esteem Surgical indication is a prerequisite for surgery. Patients who have any questions about the surgical indications for funnel chest can contact me by telephone. Due to the compression of the heart, lungs and esophagus by the sternum, some children with funnel chest have delayed development, are thin and prone to respiratory tract infections and food reflux after eating, but due to the minimally invasive nature of the funnel chest Nuss surgery, no special nutrition and other preparations are needed before surgery. However, because of the minimally invasive nature of funnel chest Nuss surgery, no special nutritional preparation is needed before surgery. The older children can have some psychological guidance to reduce the fear of surgery and low self-esteem. Before surgery, children with funnel chest should be instructed to practice effective coughing, coughing and abdominal breathing, and to practice urination and defecation in bed. Fast food and water for 8 hours before surgery to prevent aspiration pneumonia and asphyxia caused by anesthesia or vomiting during surgery. Keep the ward environment clean and quiet and ensure the child’s sleep. In addition to the development of a comprehensive postoperative pain relief plan, preoperative psychological preparation is essential. The surgeon should communicate fully with the patient and the patient’s family to understand the child’s psychological condition. According to the age and psychological characteristics of different children, explain the necessity of funnel chest surgery, the brief procedure and postoperative results. This is done with the help of promotional materials with pictures, photos and texts in combination with the previous cases in our department.