1.Establish the confidence to overcome the disease and injury, and preserve the optimism and optimism. 2, to have a certain intensity of cardiorespiratory exercise, such as stair climbing exercises, before surgery generally requires that you can continuously go up five floors. 3, quit smoking, practice coughing and deep breathing, those with chronic bronchitis and more phlegm can do nebulized inhalation before surgery to help expel phlegm. Those with inflammation in the lungs can be given antibacterial agents appropriately. 4.Higher calorie and protein food is required before surgery, but avoid too greasy, so as not to increase the gastrointestinal burden. 5.Prevent colds before surgery. (1) The patient will have a blood sample drawn and the blood bank will match the blood according to the blood type in case blood transfusion is needed during surgery; (2) Preparation of the surgical incision, mainly shaving of body hair in the surgical area; (3) Intestinal preparation, generally giving the patient medication to relieve diarrhea; (4) Giving the patient sleeping pills at night, generally not eating food for 12 hours and not drinking water for 8 hours. (4) The patient is usually given sleeping pills at night, usually no food for 12 hours and no water for 8 hours. But the patient’s important regular oral medication some doctors require the patient to still take before surgery. 7. For chronic diseases such as hypertension and irregular heartbeat (arrhythmia), regular medication should be taken to control blood pressure and heart rate. For those with a slow heartbeat, some patients may be required by the physician to have a pacemaker installed before surgery after evaluation. 8. Patients with combined diabetes mellitus who have unsatisfactory blood sugar control should use insulin. Some patients worry that once they use insulin, they will become dependent in the future. In fact, don’t worry, because of the trauma of surgery, postoperative pain and other factors, the patient’s blood sugar will be relatively high in the first few days after surgery. 9, before the surgery have oral aspirin, warfarin and other anticoagulant drugs, because it will cause serious bleeding during and after the surgery, generally require 1-2 weeks to stop the drug. Aspirin is the most common one, and it is required to stop taking it for 5-7 days before surgery. If you have other oral medications before surgery, you must communicate with the surgeon in detail to determine if there is any effect on the surgery.