The utility model relates to a sheep field of breeding particularly, relates to a watering device is used with trough and sheep to sheep. The utility model provides a trough is used to the sheep, including cell body, circulating device and controlling means, the cell body include the groove sole plane, with the right back of tank bottom base facial features and the confined lateral wall that forms around tank bottom base profile of surface, the lateral wall include relative first end wall and second end wall and be located first end wall and the second end wall between a set of relative drinking water lateral wall, the inclined plane of groove sole plane for sloping to the second end wall from first end wall, it is equipped with the level sensor who is connected with the controlling means electricity to be close to second end wall department in the cell body, circulating device installs at the back to circulating device connects sediment device, purifier and the water pump that switches on including leading to pipe in proper order. The device simple structure, convenient to use can last the endless to inslot supply sheep with drinking water. Use the trough based on foretell sheep, the utility model also discloses a watering device for the breeding sheep.