1. Generally serious caries, blocked wisdom teeth, dental trauma need to be extracted teeth. Usually need to eat before the extraction, no inflammation and infection under the premise of local anesthesia, and after the extraction of teeth first temporary fasting, such as anesthesia completely subside, hemostatic cotton wool spit out, you can eat things, such as watermelon, etc., it is recommended to use the healthy side of the chewing. 2. Diet during tooth extraction should be light, eat some easily digestible food, such as millet porridge, milk, etc., do not eat stimulating food, pay attention to the ban on hard food, to prevent the wound from rupturing, maintain oral hygiene, rinse your mouth after meals and other good habits. It is recommended that the extraction of teeth to a specialized hospital, under the guidance of the doctor for follow-up treatment.