There are wounds inside the mouth that can heal quickly in the following ways: 1. Superficial wounds at the mucosa can be rinsed daily with solutions such as chlorhexidine to reduce the retention of food debris and dental plaque, and regularly rub iodophor, etc., to prevent bacterial infection; 2. Wounds inside the mouth are deep to the muscular layer and accompanied by heavy bleeding, 3% hydrogen peroxide solution and saline can be applied to rinse alternately to remove necrotic material and residual debris, trim The wound edge is trimmed and tightly sutured. This can speed up tissue healing and prevent the formation of scar tissue; 3. Patients should avoid opening their mouths wide to prevent tearing the wound surface and causing a lot of exudation; 4. Patients should eat less spicy and stimulating food and eat more food rich in nutrition and high protein, which is conducive to the formation of new tissue.