Umbrella with size-adjustable rain shielding surface

The umbrella comprises an umbrella handle, the umbrella handle comprises a main rod, two auxiliary rods and a handle body, the two auxiliary rods are symmetrically arranged at the upper end of the main rod, the upper ends of the two auxiliary rods are fixedly connected with hinge rings, the hinge rings are hinged to a plurality of main umbrella ribs, and the main umbrella ribs are connected with the handle body. The multiple main umbrella ribs on the same hinge ring are connected with the same push block through the multiple supporting ribs, the push block is connected with the main rod and the auxiliary rods in a sliding mode, main umbrella cloth is connected between the multiple main umbrella ribs on the same hinge ring, auxiliary umbrella cloth is connected between the two pieces of main umbrella cloth, and the two auxiliary rods are connected with the main rod through a fork shear structure. The shielding area of the umbrella can be enlarged according to needs, two persons can be contained after the umbre