Tongue ulcers need to be treated according to their causes, such as traumatic ulcers, recurrent aphthous ulcers, and tongue cancer, etc. General treatment, medication, and surgical treatment are given after clear diagnosis. 1. Traumatic ulcers: tooth stumps, hard food, and bad restorations may cause tongue ulcers, and the treatment can follow the doctor’s instructions to use cediriodine tablets and lidocaine gel to relieve the pain, and at the same time, it is necessary to take the extraction of stumps and replacement of restorations to treat them. In addition, diet should avoid eating too fast or hard food. 2. Recurrent aphthous ulcer: recurrent aphthous ulcer may be related to the lack of B vitamins in the body, and the treatment can follow the doctor’s instruction to use cotrimoxazole gargle and cediriodine tablets to improve the symptom; in addition, one should eat more fresh vegetables and fruits to replenish vitamins in the body. 3. Tongue cancer: tongue cancer can also lead to tongue ulcers, and surgical treatment should be chosen to remove the primary tumor through surgery, wedge resection can be chosen in early stage, and half or whole tongue resection is often needed in middle and late stage, and chemotherapy is also needed according to the specific situation after surgery, and commonly used chemotherapy drugs include cisplatin, fluorouracil and so on. Tongue ulcers, it is recommended that patients seek medical treatment in a timely manner, under the doctor’s examination to determine the cause of the disease, and then follow the doctor’s instructions to use the above medication, not to be used indiscriminately, so as not to lead to adverse consequences.