The causes of hand tremor in the elderly include physiological hand tremor, idiopathic tremor, and pathological hand tremor caused by other neurological diseases. 1. Physiological hand tremor: when the elderly are afraid of fear, emotional excitement, nervousness and lack of sleep, it will lead to hand tremor, generally do not need to worry too much, should pay attention to rest and appropriate relaxation. 2. Idiopathic tremor: hand tremor will occur when doing some fine movements, such as writing, holding chopsticks, fastening buttons, etc. Especially when fatigue will have more obvious symptoms, usually has little effect on daily life, and will disappear when more relaxed. 3. Parkinson’s disease: mainly manifested as hand tremor, commonly seen in the elderly, accompanied by other parts of the tremor, stiffness of activities, gait abnormalities. For the phenomenon of hand tremor in the elderly, the cause should be clarified and then targeted treatment.