Mouth ulcers have a certain degree of self-healing, breastfeeding mouth ulcers can be observed for the time being, through the way of life management, to promote the recovery of the disease. If the patient’s pain is unbearable, you can follow the doctor’s instructions to take medication. 1. Mouth ulcers are mainly an ulcerative injury that occurs in the oral mucosa, and its etiology is related to factors such as low immunity, mental stress, improper diet and trauma. As mouth ulcers have a certain degree of self-healing, breastfeeding patients who do not have obvious symptoms of discomfort, more can be adjusted through life, to promote the recovery of the disease. 2. Daily need to keep the mouth area clean, avoid eating too hard food, eat less spicy stimulating food. Eat more foods rich in vitamins and get a good night’s sleep. 3. If the patient has obvious pain symptoms, through life regulation can not be relieved, you can strictly follow the doctor’s instructions to gargle cotrimoxazole gargle, so as to improve the symptoms of pain. If breastfeeding women in the use of drugs, abnormal discomfort, need to consult a doctor, the use of drugs need to follow the doctor’s advice.