Cutting device capable of conveniently detecting margin of edge part of raw sheet

The utility model belongs to the technical field of cutting machines, and particularly relates to a cutting device convenient for detecting the margin of the edge part of an original sheet, which comprises a working table and a cutting blade, a clamping mechanism is arranged above the working table, a fixed seat is arranged at the end part of the working table, a rotating rod is arranged in the fixed seat, and the cutting blade is arranged on the rotating rod. A pulling rod is arranged on the outer wall of the rotating rod, a handle is arranged at the end of the pulling rod, the cutting blade is arranged on the inner wall of the fixing base, a fixing screw is arranged on the side of the cutting blade, a cutting groove is formed in the outer wall of the workbench, an indicator is arranged at the end of the clamping mechanism, and a fixing ruler is arranged below the indicator. A worker can clamp an original sheet through the arrangement of the clamping mechanism, so that the device is energy-saving and consump