Tongue numbness can be seen in cervical spondylosis, burning mouth syndrome, ischemic cerebrovascular disease, tumors, etc. The treatment should be causative, including drug therapy, surgical treatment, physical therapy. 1. When cervical spondylosis compresses the spinal nerve roots, it can produce dizziness, numbness of the tongue or trunk, insomnia and so on. If it is mild numbness of limbs or tongue, it can be treated conservatively, such as massage and physical therapy. If there is obvious spinal cord compression, active surgical treatment is needed. 2. Burning mouth syndrome is a neurological syndrome. The main drug treatment, such as amitriptyline, clonazepam and so on. In daily life, we should keep a good mood, pay attention to rest, and avoid excessive fatigue. 3. Ischemic cerebrovascular disease such as cerebral infarction, most of the combined hypertension, diabetes mellitus, treatment should actively control the primary disease. If combined with hypertension, oral nifedipine extended-release tablets and enalapril can be used to control blood pressure, and at the same time, oral atorvastatin calcium tablets should be used. If combined with diabetes mellitus, blood sugar should be controlled, such as the use of insulin, acarbose and so on. 4. Tumor diseases can be seen invading related nerves such as the lingual nerve, and should be actively surgically removed. The cause of tongue numbness is complex, once found, should consult a doctor in time, under the guidance of the doctor standardized treatment.