Livestock drinking trough

The utility model discloses a livestock drinking trough, which belongs to the technical field of livestock breeding, and comprises a trough body and a reciprocating mechanism arranged on the trough body, the trough body is provided with an accommodating space for accommodating water, a cleaning plate is arranged in the accommodating space, the cleaning plate is detachably connected with the reciprocating mechanism, the cleaning plate comprises a vertical plate and a bottom plate, the vertical plate is provided with a plurality of first sieve holes, and the bottom plate is provided with a plurality of second sieve holes. The cleaning plate is driven by the reciprocating mechanism to move, so that impurities floating in the water trough and residues deposited at the bottom can be screened out, and the quality of water in the water trough is improved; the scraping pad can scrape impurities adsorbed on the inner wall and the bottom wall of the water trough, and pollution in the water trough is reduced; the cleani