Hand tremor, also called tremor, refers to the rhythmic involuntary movement of the hand. There are many reasons for hand tremor, which may be physiological, such as emotional tension, excitement, fear, may cause hand tremor, which is a normal phenomenon, and this state can gradually disappear after relaxation and proper rest. In addition, the application of certain drugs or traumatic brain injury, Parkinson’s and other disease factors, may also cause hand trembling. The more common clinical causes include the following: 1, drug-induced hand tremor: such as sodium valproate, fluoxetine, paroxetine, caffeine, ephedrine and other drugs, may cause hand tremor. Patients should reduce the application of such drugs according to their own conditions, in accordance with medical advice, or replace other drugs for treatment under the guidance of a doctor; 2, hand tremors caused by disease: such as idiopathic tremor, multiple vascular sclerosis, stroke, traumatic brain injury, cerebellar disease, hyperthyroidism, Parkinson’s disease, withdrawal syndrome, etc., can cause hand tremors. In addition to hand tremor, patients may also have other symptoms, such as numbness of one limb, speech disorder, motor retardation, muscle ankylosis and mask face, etc. Patients should seek prompt medical attention to find the cause and treat the cause. In addition, patients with psychosomatic diseases such as anxiety and depression may have somatic symptoms that manifest as hand tremors, which can be relieved by psychotherapy with medication. In daily life, attention should be paid to maintaining a relaxed mood, and stress can be relieved by listening to music, exercise, etc.