Brood automatic drinking appliance

The utility model discloses a brooding automatic drinker, comprising a drinking plate (1) and a protective cap (2) which is in moveable connection (1) with the center of the drinking plate. The drinker is characterized in that the drinking plate(1) is equipped with a tact valve(3) in external connection with a flow pipe (4) and moveable contact with a bobber(5). The water supply of the utility model is performed through the flow pipe, and the bobber controls the tact valve to the switch, thus to ensure the water level, realize the purpose of automatic water supply, improve the work efficiency greatly and thus reduce the labor capacity.