Modern pathological studies of Parkinson's disease. (PD) reveal that 70% -80% sub- stantia nigra striatum nerve endings degenerate before -motor symptoms occur. But till now, Chinese medicine (CM) infers its pathogeneses still at the theoretical level. Braak H, et al. raised six pathological stages of PD. They also beleived that symptoms of PD occurred one by one acocrding to staging sequence. All these indicated important evidence for the developing process of PD's pathogenesis. Authors expounded modern CM pathogenesis of PD.