Display cabinet

The utility model discloses a display cabinet which comprises a main cabinet and a wash basin arranged on the main cabinet, and the main cabinet comprises a panel and a hollow cabinet; a water valve base and a water valve are arranged on the panel, a first groove and a second groove are formed in the panel, and an organic light-emitting lamp set and a light diffusion plate are fixed in the two grooves; a plurality of vertical cabinet plates are arranged in the hollow cabinet and divide the hollow cabinet into a plurality of hollow areas, pulley drawers are arranged in the hollow areas, and a waste water tank and a purified water tank are placed in the pulley drawers; a wastewater pipe and a water pump are arranged below the panel, and a purified water pipe penetrates through the water pump; the upper end of the wastewater pipe is connected with the wash basin, the lower end of the wastewater pipe is connected with the wastewater tank, the upper end of the clean water pipe is connected with the water valve, an