The invention relates to a life tool, in particular to a novel hay mower. The speed of the hay mower can be adjusted so that the hay mower can cut kinds of forage conveniently; meanwhile, air blower equipment is arranged; the cut forage is convenient to clear; the speed of the air blower equipment can be adjusted, so that working efficiency is improved; the air blower equipment comprises a power frame, a sliding hole coupler, a fixed outer frame, a sliding rotating rod, a drive belt, a switch pressing combination, an air blowing combination body, a drive fixed frame, a tooth saw, a drive conical tooth, a drive shaft combination body, a first synchronous belt I, a manual pushing rod and a poking rod combination body, and a bottom plate can be conveniently and fixedly connected with a support rod; through a right side rotating hole, rotating connection of an upper side rotating shaft can be convenient; through a left side rotating hole, sliding connection of a sliding hole coupler body can be convenient; a front side hinging terminal can allow a door-type pressing rod to be hinged conveniently; a rear side hinging terminal can allow a connecting rod to be hinged conveniently; througha manual rotating rod, the door-type pressing rod and the connecting rod can be conveniently connected.