Oral cancer is a malignant tumor with a high mortality rate, and the five-year survival rate of patients is about 55%. Oral cancer is a kind of malignant tumor in clinic, the cause of which is not clear yet, but it may be related to long-term smoking, betel nut consumption, poor oral hygiene and other factors. If oral cancer patients are not actively treated, the mortality rate is usually high. If patients are actively treated, the progression of the disease can be controlled, the discomfort symptoms can be improved, and the five-year survival rate is about 55%. If oral cancer patients do not pay attention to it, it is easy to be accompanied by complications such as dysphagia and dyspnea, which seriously affects the quality of life and health. Clinical treatment for oral cancer is mainly through surgery, radiotherapy, chemotherapy, etc., and some patients can also be treated with laser, cryotherapy and other physical modalities, which can help to improve the therapeutic effect. It is suggested that those who are suffering from oral cancer should adjust their mindset and actively cooperate with doctors in order to improve the survival rate and reduce the mortality rate. They should pay attention to oral care in daily life, brush teeth and rinse mouth frequently, and avoid taking betel nut and other spicy and stimulating foods.