Just after the extraction of teeth need to pay attention to prevent wound bleeding, pay attention to oral hygiene, avoid spicy and stimulating food. 1. Prevent wound bleeding: after tooth extraction, cotton balls should be used in time to press the wound area, play the role of pressure to stop bleeding and prevent postoperative bleeding. Don’t brush your teeth within one day after tooth extraction to prevent secondary damage to the wound wound, resulting in bleeding. 2. Pay attention to oral hygiene: after tooth extraction should pay attention to oral hygiene which, should drink more water, try not to eat within a short period of time after tooth extraction, food debris is easy to stay in the wound, which is easy to lead to wound bacterial growth, thus causing wound infection. 3. Avoid spicy and stimulating food: spicy and stimulating food will stimulate the wound, resulting in increased pain in the wound, which is not conducive to the patient’s recovery. Patients who have just had their teeth extracted should follow the doctor’s instructions for post-operative care, and if there is more than bleeding, pain and swelling after extraction, patients should go to the hospital in time for early treatment.