The invention relates to the technical field of cable winding prevention, in particular to a connecting cable winding prevention device of communication equipment. The device comprises a first fixingblock, wherein two fixing rods are mounted on the bottom surface of the first fixing block and are both sleeved with a mounting block, and a limiting mechanism is arranged at one end, away from the first fixing block, of each fixing rod; the first fixing block and the mounting block are connected by a plurality of adjusting mechanisms, each adjusting mechanism comprises two fixing plates which areboth mounted on the side surface of the first fixing block, through holes are formed in side surfaces of the two fixing plates, a rotating shaft is inserted between the two through holes, the rotating shaft and the two fixing plates are connected by a fixing mechanism, and a mounting plate is mounted on each rotating shaft and connected with the mounting block through a transmission mechanism. The device is simple in structure and convenient to use, clamps and fixes cables and can also clamp the cables more stably.