It is better to eat fluids warm and cool after a tooth is extracted. Generally eat warm, soft foods such as milk and eggs for a short period of time after tooth extraction. Tooth extraction is the most common surgery in oral and maxillofacial surgery, which may cause different degrees of damage to soft and hard tissues in the local area, resulting in bleeding, swelling, pain and other discomforts. Food and water should be withheld for 2 hours after tooth extraction. In order to promote wound healing, generally no brushing or rinsing for 24 hours; on the day of tooth extraction, warm, soft food, such as milk, eggs, rice porridge, etc.; 1 week after surgery, you can not chew with the affected side, in order to use to protect the clot, prevent infection, and promote healing. If there is obvious discomfort after tooth extraction, you should go to the hospital for follow-up.