Primary prevention 1. protect the natural environment and maintain ecological balance; 2. pay attention to dietary hygiene; 3. prevent and treat certain diseases that may cause Parkinson’s syndrome, such as hypoparathyroidism, arteriosclerosis and brain tumors; 4. actively prevent exposure to and poisoning by carbon monoxide, carbon disulfide, manganese and cyanide; 5. avoid the use of dulcolax drugs as much as possible. Secondary prevention 1.The key is early diagnosis and early treatment; 2.For patients in the compensated stage who get early diagnosis, take neuroprotective agents, Chinese herbal medicine, exercise therapy, physical therapy, psychotherapy, etc. to control the development of the disease; 3.For early light patients with loss of compensation, it is appropriate to apply small amount of levodopa preparation early to relieve symptoms and maintain the ability to live and work. The main goal of prevention for intermediate and advanced patients is to delay the process of disability and life-threatening complications; 2. Relatives and medical personnel should encourage patients to do more active exercises, such as eating, dressing, washing, brushing teeth, etc. Exercises can prevent and delay joint ankylosis and limb contracture; 3. 4. Encourage patients to overcome emotional excitement and tension and maintain a happy state of mind; 5. For patients who are bedridden in the late stage, strengthen turning and passive movement of limbs to prevent joint fixation, decubitus ulcers, and decompensated pneumonia.