The utility model relates to a paper cup collecting and discharging device which comprises a frame, a rotary disc and four receiving devices, wherein the four receiving devices are uniformly arranged on the rotary disc, a discharge port is formed in the front end of each receiving device, a pushing assembly is horizontally arranged on the frame, a counting sensor is arranged on each receiving device, and a connecting part is movably connected to the rotary disc on the bottom end of each receiving device. The paper cup collecting and discharging device has the advantages that produced paper cups are gradually collected by the receiving devices on the rotary disc, the number of the paper cups in the receiving devices is controlled by the counting sensors, the rotary disc is driven to rotate on the frame, the paper cups collected by the receiving devices are pushed into a receiving groove by the pushing assembly, the work intensity of workers is reduced, the contact of the workers with the paper cups is reduced, so as to guarantee safety and sanitation of the paper cups and improve the production efficiency, and the practical performance is good.