The most important thing after dental implant surgery is to maintain intraoral hygiene, avoid massive bleeding from the wound after surgery, and avoid food stimulation in the implant area. 1. Don’t brush teeth and rinse mouth with water within 24 hours after dental implant surgery, frequent rinsing and spitting will lead to blood seepage from the wound, after meal, you must use mouthwash medicine to rinse your mouth gently to prevent food residues in the mouth. 24 hours later, you can brush teeth and rinse your mouth, but you need to brush gently and slowly, and continue to maintain intra-oral hygiene, to avoid local infections. 2. Two hours after the operation, you can eat and drink moderately, the food should not be too hot and too hot, you can eat warm and cool, soft food. Do not exercise strenuously after surgery, pay attention to rest, to avoid local congestion wound oozing blood. Try not to smoke and drink alcohol and eat spicy and stimulating food after surgery. 3. Due to the patient’s physical condition and different surgical procedures, there will be different degrees of postoperative reaction, some will appear local edema lasting 3~5 days, serious edema can be taken under the guidance of the doctor to relieve symptoms of edema medication. The stitches will be removed in 7~10 days after the operation, and timely removal of stitches can prevent local infection. And follow the doctor’s instructions for regular follow-up for the second stage of implant restoration.