The utility model relates to a fire protection equipment specifically indicates a draw cable tower to hold fire prevention system that disappears to one side. Including spraying extinguishing device and controlling means, spray extinguishing device including fixing the inside water tank at cable tower, the water tank bottom is provided with the outlet pipe, the entrance point and the water tank intercommunication of outlet pipe, the exit end of outlet pipe is provided with the outfall sewer, be provided with the many branch pipes that communicate with it on house steward's the exit end, the branch pipe on be provided with a plurality of just to suspension cable and cable tower anchor point's shower nozzle, controlling means including installing the switch board that ball valve and control ball valve on house steward opened and shut, the ball valve is connected with the switch board electricity. The utility model discloses carried out comprehensive careful design for fire protection to drawing cable tower end anchor region to one side, can both prevent effectively that the conflagration from taking place, accomplishes the collection to smoke signal through the copy control cabinet in the bridge work progress and during the later stage operation to sending and spraying the instruction, automatic timely putting out a fire prevents that fire spreading from threateing bridge safety.