Disclosed is a surgical linear stapler comprising: a staple cartridge which is internally loaded with staples for stapling a surgical site a cartridge accommodating channel which is formed with a cartridge accommodating groove to accommodate the staple cartridge therein an anvil which corresponds to the staple cartridge and shapes the staple discharged from the staple cartridge and a cutter which moves along a lengthwise direction of the staple cartridge by external force and cuts a surgical site arranged in between the staple cartridge and the anvil, in which distances from the cutting section of the surgical site to opposite stapling lines are different from each other, thereby stably and conveniently obtaining tissue for pathological examination, which is not damaged by a staple.
