The invention discloses environment-friendly livestock breeding equipment and a working method thereof. The environment-friendly livestock breeding equipment comprises a feeding room, a cleaning structure, a triggering structure, a lifting structure, a dirt discharging groove and an energy-saving structure, the cleaning structure is installed at the top of a room cavity of the feeding room, the lifting structure is installed at the bottom of the room cavity of the feeding room, and the triggering structure is installed at the bottom of the feeding room; the energy-saving structure is erected at the top of the feeding room, two sewage discharge grooves are symmetrically formed in the inner wall of the bottom of the feeding room, sundries fall to the sewage discharge grooves along a bearing plate to be discharged, livestock does not need to be driven out, left-right alternate operation can be achieved, cleaning of the feeding room can be achieved, cleaning of the feeding room can be achieved easily, conveniently and rapidly, and water is saved; the operation is more environment-friendly, a first electrode and a second electrode are separated when no animal is bred, redundant loss can be avoided, meanwhile, accidents caused by electricity are avoided, and the use safety is improved.