Cold, soft foods such as ice cream, cold milk, porridge, fruit juice, etc. can be eaten within a week after tooth extraction. If there is no discomfort, normal diet is also possible, only need to pay attention to avoid chewing on the side of the extracted tooth. 1. You should not eat within 2 hours after tooth extraction, and pay attention to cold food on the same day, and generally recommend ice cream and so on. Because of the principle of thermal expansion and contraction, eating cold food can make the blood vessel contraction, reduce bleeding. Also be careful not to eat ice cream containing nuts or jam, to avoid small particles falling into the not yet healed extraction socket. 2. If there is swelling after tooth extraction and it is inconvenient to eat, you can eat fluids, semi-fluids and so on, such as cold milk, porridge, fruit juice and so on. Pay attention to nutritional balance as well. In addition, you can also use the other side of the extracted tooth to chew after extraction. Specific precautions are recommended to consult a professional doctor.