Mouth and tongue sores can generally use lidocaine gel, dexamethasone acetate paste tablets and other applications of the affected area for temporary pain relief, but also oral or injectable transfer factors to improve immunity and reduce morbidity. Mouth and tongue sores is a manifestation of oral ulcers, ulcers attack with obvious pain, can be localized to relieve pain, such as the use of lidocaine gel, dexamethasone acetate paste tablets, etc. applied to the surface of the ulcer for temporary pain relief. Mouth ulcers belong to autoimmune diseases, you can supplement the lack of vitamins, ensure adequate sleep, avoid excessive fatigue, oral or injection transfer factor to improve immunity, delay the onset of ulcers. Therefore, the mouth and tongue sores, can be relieved by local medicine to relieve pain, systemic treatment to improve immunity to delay the onset of more than two weeks does not heal need to go to the stomatology department for medical treatment. It is also recommended to consult a doctor in time to clarify the cause of the disease and treat the symptoms.