Thumb tremors can be seen in nervousness, overexertion, and Parkinson’s disease. The nervousness is mostly caused by anger and fear, and patients often have panic, sweating, dizziness, headache, and shortness of breath, and the symptoms will ease or disappear on their own after calming down, without special treatment. Overexertion is mostly seen in the thumb trembling side of the limb, long time heavy physical labor, the appearance of trembling is mainly due to local muscle tremor, after sufficient rest the symptoms can disappear, it is recommended that patients avoid long time heavy physical labor. The cause of Parkinson’s disease is unknown, and there is a family history of the disease, in addition to the performance of thumb tremors, but also with increased muscle tone, slow movement, reduced expression, there are two common treatments: first, drug therapy, commonly used drugs are Medobar, Amantadine, Pramipexole Hydrochloride. Second, for patients with poor drug therapy, brain pacemaker implantation is an option.