Gingivitis after cesarean section may be caused by misalignment and crowding of teeth, endocrine disorders, tartar, food impaction, etc. It can be treated by general treatment, medication (hydrogen peroxide solution, cephalexin, etc.), and surgery under the guidance of doctors. 1. General treatment: patients need to maintain oral hygiene, brush their teeth in the right way, floss in time to remove food debris, and rinse their mouths after meals. 2. Medication: If the inflammation is serious, it can be treated with medication under the doctor’s guidance. Commonly used medications include amoxicillin, cephalexin, and topical application of hydrogen peroxide solution for treatment. 3. Surgical treatment: some patients after treatment, there are still poor gum shape, fibrous hyperplasia can choose gingivectomy and gingivoplasty, to restore the normal shape of the gums. It is recommended that patients to regular hospitals, in the doctor’s diagnosis, to take appropriate targeted treatment, life to maintain oral hygiene, timely cleaning of food debris, correct smoking and other bad habits, the use of drugs need to follow the doctor’s instructions.