The invention discloses a campus plant landscape cultivation device. The device comprises a moving frame, a motor, a trimming device and a controller, wherein a through hole is arranged at a middle position of the upper end surface of a top plate, and a bearing is arranged in the through hole; a motor is fixed on the top plate; the trimming device comprises a bottom plate, a casing and two sets oftrimming mechanisms, the lower end of the casing is welded to the bottom plate, a rotating shaft is arranged at a middle position of the upper end of the casing, and the rotating shaft is connected to the output end of the motor correspondingly; and each set of the trimming mechanism comprises a first hydraulic cylinder, a second hydraulic cylinder, a curved track groove, a slider and a small electric saw, one end of each curved track groove is hinged to the bottom plate, the sliders and the track grooves are matched, the small electric saws are connected to the sliders through L-shaped rods,the first hydraulic cylinders are hinged to the bottom plate, and the telescopic parts of the first hydraulic cylinders are correspondingly connected with the L-shaped rods, and the second hydrauliccylinders are also hinged to the bottom plate, and the telescopic parts of the second hydraulic cylinders are hinged to the outer sides of the track grooves.