The invention discloses a folding-wing unmanned aerial vehicle for a municipal garden. The folding-wing unmanned aerial vehicle comprises a vehicle body and wings, the vehicle body is provided with an inner cavity, the left side and the right side of the inner cavity are communicated, a first motor is arranged on a front plate of the inner cavity, a lead screw which is arranged in the same direction as the vehicle body is connected to the first motor, gear wheels are symmetrically meshed with the two sides of the lead screw, the center of each gear wheel is connected to the vehicle body through a center shaft, a rotating plate is connected to the side wall of each gear wheel, a supporting plate is vertically connected to the outer end of each rotating plate, a first cylinder is connected to the front end of each supporting plate, a second motor is connected to the front end of the first cylinder, a first threaded rod is connected to an output shaft of the second motor, the front plate of the inner cavity is further provided with a first nut which is screwed with the first threaded rod, and a second cylinder is arranged on the side wall, on the same side of each rotating plate, of the corresponding supporting plate. According to the folding-wing unmanned aerial vehicle for the municipal garden, the wings can be folded conveniently, storage is convenient, and the practicability is achieved.