The invention relates to a cutting and stroking device for a twisted pair. The cutting and stroking device comprises a pedestal, a compression bar, a stroking and cutting device and a cable fixing device. The cutting and stroking device is characterized in that the compression bar is connected with the pedestal through a hinge, and the stroking and cutting device and the cable fixing device are arranged between the compression bar and the pedestal. According to the cutting and stroking device for the twisted pair, two operation links including stroking and cutting can be finished once, the stroking effect is good, and a cable is connected with an RJ45 joint in a compression manner conveniently in the next step; the cutting and stroking device further has the characteristics of simple structure, low manufacturing cost, simplicity and convenience in use and operation and convenience in carrying and can completely meet field fabrication requirements of a twisted pair joint.