Hand shaking all the time may be caused by physiological factors such as emotional tension and anxiety, or it may be caused by Parkinson’s disease, idiopathic tremor and other diseases. 1. Physiological factors: the patient’s emotional or nervous state, may cause the hands to shake all the time, this is a normal physiological factors, generally in the emotional relief symptoms will improve. 2. Parkinson’s disease: Parkinson’s disease is considered to be caused by genetic, nigrostriatal dopamine neuron degeneration and other factors. Patients will have static tremor, muscle tone, bradykinesia, panic gait and other manifestations. 3. Idiopathic tremor: a common movement disorder with tremor as the only manifestation, 1/3 of patients have a positive family history, mainly manifested as postural tremor and action tremor, often seen in one side of the upper limbs or both upper limbs, head is also often involved, lower limbs are less often involved. If the hand tremor is caused by physiological factors, there is no need to treat, if it is caused by disease, you need to follow the doctor’s advice to choose the appropriate measures for treatment.