Livestock drinking device

The utility model provides a water drinking device for livestock breeding, and mainly relates to the technical field of livestock breeding equipment. A livestock drinking device comprises a water tank, supporting legs are fixedly installed at the four corners of the bottom face of the water tank respectively, a vertically-through water leakage hole is formed in the middle of the inner wall of the water tank, a sewer pipe is fixedly installed at the bottom of the water leakage hole, and a water inlet pipe is fixedly installed on the rear portion of the inner wall of the water tank through a support. A valve opening and closing mechanism is arranged on the water inlet pipe, and a sealing plug is arranged in the water leakage hole. The automatic water feeding device has the advantages that water can be automatically added into the water tank through the water inlet pipe when livestock drink water through the valve opening and closing mechanism, so that the workload of workers is reduced, and the automatic water