Paper cutter with high safety

The utility model relates to the related technical field of paper cutters, in particular to a high-safety paper cutter which comprises a shell and a cutting mechanism, and the cutting mechanism is arranged on one side of the surface of the shell. According to the high-safety paper knife, through the arrangement of the cutting mechanism, a handle is held firstly, then a button is pressed by a thumb, the button pushes a first push rod to move at the moment, meanwhile, the button extrudes a first spring to contract, the first push rod pushes the tip end of a blade to stretch out of a protective shell, and at the moment, the position of the blade can be observed and controlled through a transparent cover; then the blade is pressed at the position, needing to be cut, of the paper, the handle is pulled to cut the paper, the transparent cover can prevent fingers from making contact with the blade during cutting, so that the fingers are prevented from being accidentally scratched during cutting, and when cutting is f