An introducer accessory for being fitted with a circular stapler, the circular stapler comprising an anvil assembly and a staple cartridge assembly, the staple cartridge assembly including a staple cylinder (1) and a staple cartridge (2) being mutually fixed, wherein the introducer accessory at least comprises a sleeve portion (4) sleeved around a distal end of the circular stapler and an introducing portion (6) disposed at a distal end of the sleeve portion (4)； a maximum outer diameter of the introducing portion (6) is equal to a minimum outer diameter of the sleeve portion (4)； the introducing portion (6) is a spiral member, one end of a spiral wire of the spiral member is connected with a traction member and the other end is connected with the sleeve portion. A part of the introducer accessory or the whole introducer accessory can be pulled out from the circular stapler in one piece in the form of a strip. The introducer accessory can be directly sleeved around the outside of the circular stapler during surgery, no additional component is required to be assembled on the circular stapler.
