You can drink water only two hours after tooth extraction, and the temperature of drinking water should not be too high, but mainly warm and cool water. When drinking water, you should not gargle hard, but let the water flow gently down the healthy side and swallow it gradually. You can eat and drink normally only after two hours after tooth extraction, and when you eat, cool, warm and soft food should be the main food. If the tooth extraction is more traumatic, it is recommended to eat mainly liquid or semi-liquid food, such as warm and cool milk, thin rice, noodles, etc., on the day after the tooth extraction. At the same time, you should not brush your teeth and rinse your mouth for 24 hours. You can use a rinse with anti-inflammatory function to reduce the number of disease-causing factors in your mouth. If the symptoms of facial redness and pain are serious after tooth extraction, you can take ibuprofen in appropriate amount to relieve pain, and take cephalosporin and metronidazole tablets orally to reduce inflammation. Local cold compresses can be applied within 24 hours after tooth extraction to relieve the swelling and pain after tooth extraction.