Impulse control disorder （ICD） is a complication in Pakinson disease requiring attention. There is a significant increase in the incidence of ICD after using dopamine agonists. In Parkinson disease patients with ICD， there are corresponding changes of fiber connections in the midbrain-striatum-limbic systemcortex. The occurrence of ICD in Parkinson disease is related to dopaminergic drug therapy， gender， smoking and the decrease of dopamine transporter. This review summarizes the relevant findings concerning ICD in Parkison disease