The gums touched off a piece of skin, the treatment needs to be anti-inflammatory treatment, to prevent infection, to promote the healing of the wound. Gums touch off a piece of skin, belonging to the gum trauma, the main treatment to anti-inflammatory, prevention of infection, you can use iodine povidone or hydrogen peroxide for local application, disinfection, you can use anti-inflammatory mouthwash, such as cotrimoxazole gargle, to prevent infection of the gums, and if the damage is large, you need to carry out traumatic stitches, to promote the recovery of the wound. Pay attention to oral hygiene, brush your teeth on time, avoid spicy, stimulating foods, such as chili peppers, barbecue, etc., eat a light diet, and use ibuprofen for pain relief. Please follow the doctor’s instructions for medication.