Uncontrolled finger shaking may be caused by idiopathic tremor, Parkinson’s disease, hyperthyroidism and other diseases. 1. idiopathic tremor: this disease is a movement disorder, the patient can be manifested as involuntary shaking of the fingers, especially when doing fine movements, hand tremor symptoms are more obvious. 2. Parkinson’s disease: the disease belongs to the neurological degenerative diseases, caused by degenerative neuronal lesions, the patient’s typical symptom for the static tremor, which can be manifested as uncontrolled shaking of the fingers, but also can be accompanied by muscle tonus, slow action and other manifestations. 3. Hyperthyroidism: Due to the excessive secretion of thyroid hormones in patients with this disease, the thyroid gland is overactive, resulting in an increase in the body’s basal metabolic rate, which can cause uncontrolled shaking of the fingers, and can be accompanied by temper tantrums, hyperphagia and other symptoms. Uncontrolled finger shaking may also be caused by other diseases, it is recommended that you seek medical attention as soon as possible to complete the relevant examinations to determine the cause of the disease and then give targeted treatment.