The causes of hand tremor and dizziness are mainly the following: First, Parkinson’s disease: mainly seen in elderly people over 60 years of age, manifesting as hand tremor, as well as motor retardation, limb stiffness, and abnormal walking posture and gait, some patients will be accompanied by plant nerve dysfunction, or have complications related to atherosclerosis, which can lead to insufficient blood supply to the brain, dizziness and other phenomena, as well as postural hypotension This is the most common cause of dizziness. Second, idiopathic tremor: the etiology and pathogenesis of idiopathic tremor is not very clear, there is a certain relationship with genetics, manifested as hand tremor, the elderly can also appear dizzy phenomenon.