1.Brush your teeth for 24 hours after surgery, not apply local ice with gauze wrapped in ice for 48 hours after surgery. 2.Take medication according to the prescribed time. 3, do not overheat food, try to enter soft food such as eggs. Milk. Meat soup. Congee noodles, etc. 4.Rinse mouth with mouthwash or salt water more than 3 times a day until the sutures are removed. 5.It is normal to have swelling after surgery, if there is obvious bleeding, call the doctor or bite a piece of gauze and cold compress. 6.Pay attention to rest after surgery, do not drive on the day. Smoking. Drink alcohol and exercise vigorously. 7.Post-operative diet 1-3 days semi-liquid food such as eggs. Broth, etc. 8, routine 7-10 days follow-up check the wound healing situation in time to remove the stitches.