It is recommended that patients should not smoke after the removal of stitches from the first stage of dental implants, so as not to affect the prognosis of the implants and the patients themselves. 1. Tobacco contains tar, nicotine and other harmful substances, even for healthy people, smoking is harmful to health. Especially for patients who have undergone dental implant surgery, smoking after the first stage of suture removal can easily lead to prolonged healing time or even non-healing of the wound. Harmful substances may also lead to infection, poor osseointegration of the implant, or even implant failure. 2. Therefore, it is not recommended for patients to smoke after the removal of stitches in the first stage of dental implantation, and try not to smoke after implantation surgery. After surgery, patients should ensure good oral hygiene, do not eat spicy and stimulating food in the short term, and do not eat too hard food in order to avoid adverse effects on the wound. Dental implants have any discomfort, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor standardized treatment.