Right thumb tremor may be related to overwork, or may be caused by peripheral neuritis, Parkinson’s disease and other reasons. 1. Overwork: If you are engaged in heavy labor or manual work for a long period of time, resulting in excessive fatigue of the fingers, leading to muscle tension in the hand, it may cause tremor of the right thumb, which can be quickly eliminated through appropriate rest, without special intervention. 2. Peripheral neuritis: usually due to the influence of various adverse factors, resulting in multiple peripheral nerve damage, resulting in sensory and motor dysfunction of the distal limbs, there may be a tremor of the right thumb, accompanied by numbness of the fingers, flexion and extension of the unfavorable and other symptoms. 3. Parkinson’s disease: the disease belongs to the middle-aged and elderly neurological degenerative diseases, mainly caused by neuronal degeneration, the patient’s typical symptoms for the static tremor, was rubbing pills, so there can be a right thumb tremor symptoms, but also can be accompanied by bradykinesia, myotonia and other symptoms. The right thumb tremor may also be caused by other reasons. If the symptoms continue to be unrelieved, or if there are other discomforts, the patient should consult a doctor as soon as possible for a clear diagnosis, and then be treated under the guidance of the doctor.