Tremor of the tongue is most often seen in patients with Parkinson’s disease and is a symptom of damage to the nervous system. It may also be caused by damage to the brain nerves, or it may be caused by stimulation of the brain nerves due to long-term drug use. It manifests as a slow rhythmic tremor, with 4 to 6 tremors per second, with variable amplitude, and increases with stress. Many patients also have postural tremors of 5 to 8 times per second. The prevention of tongue tremor caused by Parkinson’s disease: 1, prevention of Parkinson’s disease should pay attention to good hygiene habits, minimize direct contact with chemicals, detergents, mental work and physical activity, and avoid long-term brain overuse. 2, prevention of Parkinson’s disease are mainly to avoid exposure to toxic substances, prevention and control of cerebral atherosclerosis is the fundamental measure to prevent Parkinson’s, clinical treatment of hypertension, diabetes, hyperlipidemia. Avoid or reduce exposure to substances toxic to the human nervous system, such as carbon monoxide, carbon dioxide, manganese, mercury, etc. 3, when the elderly are found to have upper limb tremor, hand tremor, slow movement and other early signs of Parkinson’s, they should go to the hospital in time for early diagnosis and treatment. The key is early detection and early medical attention. Parkinson’s has a long latency period, so the disease is difficult to be detected in the early stages. 4. Avoid or reduce the application of drugs that induce tremor paralysis, such as fenadine, reserpine and chlorpromazine. Strengthen sports and brain activities to slow down the aging of brain and nerve tissue. Including muscle exercise, joint exercise, balance function exercise, but also participate in more social activities, interpersonal communication, strengthen the language function exercise.