Lifting waterline for poultry

The utility model relates to a water drinking device for poultry, and discloses a lifting waterline for poultry, which comprises a water drinking tank, a waterline and a nipple water fountain, the water drinking tank is communicated with a main water pipe, the main water pipe is communicated with the waterline through a telescopic pipe, and the lifting waterline is characterized in that a plurality of pulleys are hung above the waterline, a plurality of steel ropes are connected to the waterline, and the nipple water fountain is arranged on the steel ropes. The steel ropes are connected to a driving motor through traction of the pulleys, the driving motor rotates forwards or reversely to pull the steel ropes and drive the waterline to move upwards or downwards, a water distribution pipe is connected to the main water pipe and communicated with an additive water tank, and the additive water tank is communicated with the water distribution pipe. A first electromagnetic valve and a second electromagnetic valve a