Tongue ulcers may be due to trauma, fungal infection, vitamin deficiency and other reasons, can be dealt with according to the cause, commonly used to drink more water, eat more vitamin-rich fruits and vegetables, oral fluconazole and other medications for treatment. 1. Trauma: traumatic ulcers are caused by biting the tongue accidentally while eating, or stabbing with fish splinter, etc. After the occurrence of traumatic ulcers, we should avoid re-injury of the wound, eat carefully to avoid biting and stabbing again, and at the same time, we should drink more water and consume more nutritious food to speed up the healing of the wound. 2. Fungal infections: fungal infections caused by tongue ulcers, can be applied to the tongue of sodium bicarbonate solution or mycotoxin suspension to inhibit the growth of fungi, and at the same time can follow the doctor’s instructions to take fluconazole, clotrimazole and other antifungal drugs treatment. 3. Vitamin deficiency: vitamin deficiency patients are also prone to repeated ulcers on the tongue, patients should eat more vitamin-rich fruits and vegetables, but also exogenous supplemental vitamin preparations. Tongue ulcer patients if through their own conditioning did not see a significant improvement should go to the hospital in a timely manner to improve the examination, a clear cause to give targeted treatment. The use of drugs need to follow the doctor’s instructions.