There are many reasons for hand shaking, and the common causes are mainly in the following two aspects: 1. Physiological factors, such as common muscle spasms in the hand after excessive exercise, resulting in hand shaking symptoms. 2. Hand tremor associated with mental factors, such as mental tension, psychological stress can also occur when the above symptoms. However, they are often transient, and can be improved through adequate rest and removal of triggers.2. Pathological factors, common hyperthyroidism, Parkinson’s syndrome, etc., can be manifested as hand tremors, which need to be identified and diagnosed by a specialist. For example, hyperthyroidism patients are mostly seen in young and middle-aged people, not only will there be hand tremors, but also emotional irritability, emaciation, palpitations and other symptoms. Parkinson’s patients are mainly seen in elderly patients, often accompanied by slow movement, muscle tonus and other manifestations. Therefore, the symptoms of trembling hands need to identify the specific causes of the disease, and carry out targeted treatment after a clear diagnosis.