It is recommended to smoke only after 24 hours after tooth extraction, and not to brush your teeth, rinse your mouth or exercise vigorously within 24 hours, so as to facilitate the healing of the wound. At the same time, the hemostatic cotton ball can be spit out after 30-40 minutes, and you cannot eat hot or hot food on the same day, but can eat warm, cool and soft food, and if there are stitches, the stitches will be removed in about 7-10 days. If there is severe pain or bleeding, or if there are other systemic symptoms, you can go to the stomatology department in time. In addition, you can apply ice packs after tooth extraction, which is helpful to promote the reduction of swelling and has a pain-relieving effect. In addition, if there is severe pain after 3-4 days of tooth extraction, you can go to the stomatology department in time, and if there are symptoms of dry socket, you can scrape the socket and apply local medication to promote the healing of the wound.