Mouth ulcer pain relief methods are mainly for physical therapy or medication. 1. Physical therapy, if there is obvious mouth ulcer pain can use cold water to gargle or cold compresses, can relieve the pain symptoms. 2. medication, if the pain is more serious, physical therapy can not achieve a better effect, can be used under the guidance of a doctor, such as lidocaine gel medication, can relieve the pain, but also need to use other drugs, such as cediriodine tablets, tretinoin ointment and so on. Usually do a good job of psychological adjustment, develop good eating habits, it is best not to eat spicy greasy stimulating food, so as not to lead to the worsening of mouth ulcers.