Oral cancer is a malignant lesion appearing in oral mucous membrane tissues, which can be treated through general treatment, surgery, radiotherapy and chemotherapy. 1. General treatment: patients should pay attention to rest, and when patients have complications such as dyspnea and suffocation, they can be treated by tracheotomy, cricothyroid puncture and so on. 2. Surgery: it is necessary to choose the appropriate surgery according to the condition, usually try to remove all the tumor tissues, keep the tissues that can be preserved, when lymphatic metastasis occurs, lymphatic cleansing should be carried out, and the surgery should maintain the external appearance as much as possible, and preserve the functions of chewing, pronouncing and swallowing. 3. Radiotherapy: mainly destroying cancer cells through radiation, making them lose activity and function, so as to achieve the purpose of killing cancer cells. 4. Chemotherapy: mainly kills cancer cells through chemical drugs, commonly used drugs include methotrexate, fluorouracil, mitomycin, hydroxyurea, cisplatin and so on. It is suggested that patients should go to the hospital in time and carry out relevant treatments under the guidance of physicians, and strictly follow the doctor’s instructions to use medicines, and do not use medicines on their own.