The general symptoms of malignant tumors of the mandible include pain, lumps, numbness, loose teeth, and dysfunction, but the exact manifestation of symptoms varies from person to person. Mandibular malignant tumor is prevalent in the mandibular molar region. Usually, some patients with mandibular malignant tumor have no obvious symptoms in the early stage, but with the further development of the disease, the site of the onset of pain, manifested as tooth pain, facial pain, etc., and at the same time, there is a fast-growing substantial mass, which can be pressure and pain. Secondly, the patient will also have numbness of the lower lip, loose or lost teeth and other symptoms, and in severe cases, there will be restricted opening of the mouth and other jaw movement disorders. However, due to the different severity of each patient’s condition, there are obvious individual differences in the specific clinical symptoms. All in all, when the above symptoms occur, the patient should be highly suspected of malignant tumor of the mandible, and need to go to the hospital in a timely manner to complete a series of related examinations, to clarify the specific causes, and cooperate with the doctor to actively treat.