Usually, the gum tissue after tooth extraction needs some recovery time and the effect of food to promote wound healing is limited, therefore, it is sufficient to follow the precautions in diet as directed by the doctor to avoid affecting the wound healing. There are more than ten kinds of food that can promote wound healing, and the following are common: 1. Honey: honey contains chemical components that help the body to carry out immune regulation and help the body to resist inflammatory reactions. But because honey contains a lot of sugar, need to control blood sugar patients are not recommended to eat; 2, mung beans: mung beans are cool, have the effect of heat detoxification, to avoid wound inflammation and infection, etc. have a role; 3, pig’s feet: pig’s feet are rich in collagen and trace elements, collagen helps the wound heal faster, with warm tonic effect, suitable for a wide range of people to eat; 4, corn: corn contains zinc. It can be combined with vitamin C to participate in the synthesis of collagen in the body to promote wound healing in patients, in addition to soybeans, radish, mushrooms and other foods also have the same effect; 5, kelp: kelp is rich in protein and vitamins, where the sodium salt of fucoidan contained in kelp has a certain hemostatic effect. In addition, foods such as bitter melon, black beans, black fungus, spinach, red dates and kiwi are good for promoting wound healing. As long as the diet is well-matched and healthy and nutritious, it will help the wound healing. It should be noted that after tooth extraction, avoid eating too hot or too hard food, do not use the teeth on the extraction side for chewing, do not eat spicy and stimulating food, and prohibit drinking and smoking.