The utility model relates to a rail switch hooking and locking device. The utility model is characterized in that the utility model comprises a bed frame (1), a fastening platform frame (2), a screw rod (3), an anti-loosing contact (6) and positioning blocks (4) (5). The bed frame forms an L shape, and the positioning blocks (4) (5) are at one end of the bed frame (1) and form the bed frame as integration. The fastening platform frame (2) penetrates the other end of the bed frame and is fastened through screws, and the screw rod (3) passes through screw holes at the top of the fastened platform frame (2). One end of a positioning block, which is near to the screw rod (3) is provided with the anti-loosing contact (6), and the utility model can lock rail switches with any type of a steel rail.