Wisdom tooth removal is a common surgery in dentistry. You can eat warm and soft food such as milk, rice, noodles and egg custard for 1~2 days after wisdom teeth extraction, and you can change to plain food for 3~5 days after surgery. 1. Wisdom teeth are the third molar teeth of human beings, which usually start to erupt at the age of 18, and often due to the shortening of jawbone degeneration, which causes difficulty in eruption or obstruction of wisdom teeth, and clinically it is often necessary to remove the obstructed wisdom teeth. 2. Wisdom tooth extraction is a complicated tooth extraction operation, which often requires incision of the gums, flap turning, removal of bone resistance, crown resistance, etc., and postoperative suturing of the wound. Generally the extraction time is longer and more traumatic. 3. Therefore, there are certain requirements for diet after wisdom tooth extraction. Wisdom tooth extraction 2 hours after surgery can eat, 1 ~ 2 days after surgery can enter the fluid, semi-fluid warm soft food, such as milk, rice, noodles, egg soup, etc., in order to prevent clotting in the wound off, affecting the wound healing. 4. Generally speaking, you can have a normal diet for 3 to 5 days after surgery, but after eating, you should pay attention to maintaining oral hygiene and preventing infection. Generally, the intraoral suture can be removed 7 to 10 days after surgery. For more medical knowledge about wisdom teeth, please consult a professional dentist.