The possible causes of hand tremor in seventy year olds are Parkinson’s disease, mental stress, overwork, idiopathic tremor, etc. The treatment choices are medication, more attention to rest, and keeping a happy mood. 1. Parkinson’s disease, also known as tremor paralysis, is a common neurological disorder in the elderly, with clinical manifestations of resting tremor, muscle tonus, bradykinesia, and postural balance disorders, which is caused by a decrease in the dopamine content of the brain, and is treated with levodopa, dopamine agonists, amantadine, and anticholinergic medications, including levodopa tablets, bromocriptine, and phenazopyridine, commonly used. The above drugs need to be used in accordance with medical advice. 2. Physiological tremor may be caused by mental stress or overwork, the aging of blood vessels in the brain of the elderly is prone to insufficient blood supply, resulting in tremor, usually pay attention to rest, do not overwork, appropriate exercise, a balanced diet, and maintain a happy mood. 3. 70% of idiopathic tremor has family genetic history, familial idiopathic tremor is an autosomal dominant disease, manifested as distal upper extremity postural or locomotor tremor, mild tremor does not require medication, the symptoms of heavy impact on the life of the person can be used medication, the common ones are pramipexole, propranolol, alolol, there may be nausea, vomiting, vertigo, somnolence and other adverse reactions in the early stages of the medication is ineffective need for surgical treatment. . Seventy year olds with trembling hands are recommended to seek timely medical attention, and medication should be prescribed by a doctor.