Tongue ulcers are particularly painful and need to be treated accordingly depending on the cause of the ulcer. Common causes include recurrent mouth ulcers, tongue cancer, and traumatic ulcers. Commonly used treatments include general treatment, physical therapy, medication and surgery. 1. Recurrent oral ulcers: drink more water, avoid drinking alcohol and stimulating food, and supplement vitamin-rich fresh food such as oranges and tomatoes. Serious cases can be treated with drugs such as cediriodine tablets and lidocaine. If the frequency of recurrence is high, immune preparations such as thalidomide can be used to enhance cellular immune function. 2. Tongue cancer: pay attention to mental health and balanced nutrition. Radiation therapy can be carried out in early stage. Commonly used chemotherapy drugs such as cisplatin and fluorouracil. Surgery can remove the primary lesion, clear the metastatic lymph nodes, rebuild the shape of tongue by using its own normal tissues, and restore the basic function of tongue. 3. Traumatic oral ulcers: If the tongue ulcers are caused by tooth stumps and crowns that irritate and wear out the tongue, the irritating factors should be removed as soon as possible, and the stumps and crowns should be extracted, and the cusps and marginal ridges of the teeth should be ground and altered. Give lidocaine, benzocaine and other drugs for local treatment. Tongue ulcers are particularly painful may have other causes such as malnutrition, etc. It is recommended to go to the hospital in time to identify the cause and standardize the treatment. Drugs should be used under the guidance of a physician.