The invention discloses an anti-bird device disassembly and assembly tool, which comprises a telescopic pipe assembly, a control cover, a first inner angle sleeve head, a second inner angle sleeve head and a guard plate, wherein the telescopic pipe assembly comprises an outer pipe and an inner pipe; the control cover is provided with a U-shaped groove for accommodating a U-shaped base of an anti-bird device; the first inner angle sleeve head is coaxially arranged at the upper part of the inner pipe and can rotate along with the inner pipe; the second inner angle sleeve head is arranged at the outer side of the middle part of the outer pipe and can vertically move along with the inner pipe; the second inner angle sleeve head is opposite to a set screw at the lower part of the U-shaped base; the guard plate extends along the inclination direction of a main shaft of the anti-bird device to surround the periphery of the main shaft; the guard plate is provided with an opening for avoiding the main shaft; and the opening is formed in one side, far away from the outer pipe, of the guard plate. The anti-bird device can be arranged on a linear bearing plate or disassembled from the liner bearing plate through the control cover, and the U-shaped base is fastened through the first inner angle sleeve head, thereby finishing disassembly or assembly of the anti-bird device.