Anti-theft device for 4G Mobile Communication outdoor cabinet

An anti-theft device for a 4G mobile communication outdoor cabinet comprises a cabinet door plate (100) arranged on a cabinet door of the outdoor cabinet, a rotary handle (200), an attached lock (300) arranged on the cabinet door plate (100), and a cover plate (400) arranged on the cabinet door of the outdoor cabinet. The cabinet door plate (100) is provided with a universal four-direction lock (500). The universal four-direction lock (500) is provided with an upper lock rod (511), a lower lock rod (512), a left lock rod (513) and a right lock rod (514). The upper lock rod (511), the left lock rod (513) and the right lock rod (514) are connected to transmission lock rods (520) respectively. The transmission lock rods (520) are provided with a plurality of first lock tongues (530), and each first lock tongue (530) can be in contact with the inner side of a door frame of the outdoor cabinet. The rotary handle (200) is connected to the universal four-direction lock (500) in a matched mode. The attached lock (300) is provided with a second lock tongue, and the second lock tongue is connected to the lower lock rod (512) in a matched mode. The cover plate (400) covers the cabinet door plate (100). The anti-theft device is high in overall strength, and the cabinet door is firmly clamped in up, down, left and right directions, so the cabinet door is prevented from being pried from the outside, and the security of the outdoor cabinet is improved.