The invention relates to a dual-purpose umbrella, which comprises an umbrella handle, umbrella ribs, ultraviolet-proof umbrella cloth, rainproof umbrella cloth and an umbrella top with a storage space, wherein the ultraviolet-proof umbrella cloth is stored in the storage space; a clamping part is arranged on the outer surface of the umbrella top; an elastic ring is arranged at the center of the ultraviolet-proof umbrella cloth and is matched with the clamping part; and the ultraviolet-proof umbrella cloth is connected with the rainproof umbrella cloth through snap-fasteners. The dual-purpose umbrella is directly used in a rainy day; the ultraviolet-proof umbrella cloth is taken out from the storage space in the umbrella top; the elastic ring is sleeved into the umbrella top and clamped into the clamping part; and the periphery is fixed on the rainproof umbrella cloth through the snap-fasteners, so that dual purposes can be achieved; carrying of two umbrellas is not needed when going out; the carried weight can be reduced; the ultraviolet-proof umbrella cloth can be folded when not needed; and the service lifetime can be effectively prolonged.