Clinically, the symptoms that cause the elderly to shake are still more causes, such as some elderly people because of degenerative diseases of the central nervous system, manifested as resting tremor, such as Parkinson’s disease, there is also the benign tremor of the elderly, also known as idiopathic tremor, patients will have limb tremor or head shaking problems. In addition to this, many elderly people may also suffer from hypocalcemic convulsions due to ionic disorders, which also manifest as shaking of the limbs. There are also fluttering tremors in the elderly, which should be considered to be caused by metabolic encephalopathy, such as hepatic encephalopathy and pulmonary encephalopathy.