Livestock drinking device

The water drinking device comprises a bottom plate, a supporting plate is fixedly connected to the upper portion of the left side of the bottom plate, a plurality of through grooves are formed in the supporting plate, first connecting pipes are fixedly connected into the through grooves, a water storage tank is fixedly connected to the upper portion of the supporting plate, and a water outlet is formed in the lower portion of the left side of the water storage tank. The water outlet is fixedly connected with the first connecting pipe, a water drinking pipe is inserted in the position, outside the through groove, of the lower portion of the first connecting pipe, and a semi-circular groove is formed in the right side of the water drinking pipe, by arranging the water storage tank, the first connecting pipe, the water outlet and the water drinking pipe, water can be conveyed to the water drinking pipe from the interior of the water storage tank, and then livestock can drink the water; water pollution is avoided