The purpose of single ventricle surgery is to make the patient live, study, work, etc. like a normal person. However, people who have had the surgery cannot be compared with normal people, and their physical fitness may be a little bit worse than that of normal people, and the quality of life after the surgery is very much related to the severity of the disease, the way of the surgery, and the postoperative care. The treatment modality of single ventricle surgery needs to be analyzed according to the patho-anatomy of the various types of the disease, and palliative surgery, ventricular exclusion surgery, and ventricular segregation surgery are used respectively. Postoperative care should be done to prevent infection, protect cardiac function, and pay attention to anticoagulation therapy to prevent the occurrence of thrombosis. Diet is mainly fluid diet, after the emergence of exhaustion, appropriate high protein, high calorie, high vitamin diet can be given, and patients are instructed to move appropriately. Successful surgery as well as proper postoperative care, the quality of life is similar to that of a normal person, but regular review is needed, and any discomfort should be seen promptly.