Shaking hands can be seen in idiopathic tremor, hepatomegaly, cerebellar atrophy and other diseases. 1. idiopathic tremor: a common movement disorder with tremor as the only manifestation, 1/3 of patients have 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. 2. Hepatomegaly: there are often static, intentional or postural tremors, and the patients mainly show hand tremor, and at the same time, there will be different degrees of liver damage, and the cornea may appear K-F ring. 3. Cerebellar atrophy: a degenerative disease of the elderly, also seen in people who drink a lot of alcohol over a long period of time, can be manifested as hand tremor, ataxia, cognitive impairment. Shaking hands may also be related to other diseases, and it is recommended to consult a doctor in time to improve the relevant examinations, make a clear diagnosis and carry out treatment.