1.Bite down on the cotton gauze pressed into the surgical incision. 45 minutes later, spit out the gauze and spit less during the period. 2.After 2 hours after surgery, you can eat water and other liquid beverages in moderation, and food should not be too hot. Should be thin, warm and cool, avoid chewing on the side of surgery. 3.Do not brush your teeth and rinse your mouth with water within 24 hours after surgery, because over-frequent rinsing can lead to gargling and bleeding, but rinse with mouthwash after meals to prevent residual food residue in the mouth. 4. Apply cold compresses to the face corresponding to the surgical area as soon as possible within 24 hours after surgery, and if there is swelling or bruising on the face, it is recommended to change to hot compresses after 48 hours. 5.After surgery, pay attention to rest, avoid strenuous exercise and loud talking, and try not to smoke and drink alcohol. Some patients may have local edema and ecchymosis, which may last for about 3-14 days, and can be dealt with by the doctor. 7.Surgery involving maxillary sinus, such as internal and external lifting surgery, 1-2 days after surgery, the nasal cavity may bleed, you can add furosemide nasal drops and chloramphenicol nasal drops. Avoid blowing nose hard. 8. Post-operative anti-inflammatory drugs are taken orally for 3-5 days, and 3-5 days of infusion can be given for obvious swelling in the operation area. Pain medication can be added for obvious postoperative pain. 9.The stitches are removed in 7-10 days after surgery, but in some cases, the removal of stitches is delayed to 14 days. 10.After surgery, it is recommended to use toothpaste with antibacterial effect such as Colgate 360. 11, whether the temporary dentures before the implant surgery can be used, based on the principle of whether to prevent the osseointegration of the implant, should seek the opinion of the physician.