Professional paper cutting knife

The utility model relates to a professional paper cutting knife, which is characterized in that: the professional paper cutting life comprises a platform 3, a pressing plate 7, blades 1, and a handle 4. one end of the platform 3 is provided with a fixed shaft 6, the fixed shaft 6 is provided with a spring 5, a plurality of groovings 2 are uniformly distributed between the fixed shaft 6 and the other end of the platform 3; the blades 1 are fixed at the lower surface of the pressing plate 7, and are uniformly distributed, the positions of the blades are corresponding to the groovings 2, the pressing plate 7 is fixed to the spring 5, and can rotate around the spring. The professional paper cutting knife adopts blades with greater mechanical strength to realize simultaneous cutting of many pages of paper, and improves operating efficiency and cutting effect.