Abstract: There are six species and one variety of genus Asarum in Mt. Emei belonging to three sections in two subgenera. From the foot to the top of the mountains, these species are distri-buted following a proper order, Asarum chingehengense Cheng et Yang, A. caudigerum Hance, A. caudigerum var. cardiophyllum(Fr.) Cheng et Yang, A. delavayi Fr., A. pulchellum Hemsl.,A. caudigerellum Cheng et Yang and A. himalaicum Hook. f. et Thoms. In the region of evergreen broad-leaf forest (800-1500m alt.), five species and one variety are distributed, which make over 85% of all. Here remarkable differentiation can be obserated. The vertical distribution of Asarum in Mt. Emei arein accordance with their syste matic relations.