You can brush your teeth after 24 hours after wisdom tooth extraction, just pay attention to the strength. However, if there are patients with blood clotting disorders, it should be delayed for another 3-4 days. In general, about 24 hours after extraction, there can be blood clot formation at the wisdom tooth extraction site, the purpose of the blood clot is to protect the wound and avoid new bleeding. After the formation of the blood clot, it will be gradually mechanized, and new granulation tissue will grow on the wound surface. You can brush your teeth gently, and pay attention to avoiding collision with the newly grown soft tissues. After wisdom teeth extraction, there is about 1 month of full recovery time, in addition to pay attention to brushing and other cleaning issues, diet should also pay attention to avoid eating spicy, stimulating food, and the temperature should not be too high, should be warm, cool, liquid diet.