Paper cutter

The utility model discloses a paperknife, and provides a paperknife, a cutter holder of which has multi-angle working state, simple structure and convenient application; the utility model comprises a blade, a cutter holder and a tool shank; the cutter holder is movably riveted on the tool shank through a rivet; the upper edge of the riveting end of the cutter holder is provided with at least two concave positions; the end of a back spring which is arranged at the back of the tool shank is provided with a lug boss which is clamped into the concave position. The paperknife has the advantages that the cutter holder is provided with multi-angle working state, can meet the requirement of various operations, greatly improves application range, the structure is simple, the manufacture is convenient, and only simple reconstruction is required compared with the similar products.