Cable shredder machine is composed of a set of rotating blades, shafts, electric cabinet with PLC system and driving motor. The cable is fed from the middle of the biting blades and divided into many small pieces of cable to achieve the purpose of confidentiality. The cable shredding method refers to the size of the cable after being processed by wire shredder machine. According to the composition of the cable shredder, the existing cable shredding methods are: broken, segmented, granular, striped, etc. This article mainly introduces applications of the cable shredder machine