Nail cabin assembly for cutter stapler

The utility model discloses a nail cabin assembly for a cutter stitching instrument. The nail cabin assembly comprises a nail cabin and a cutter, wherein a nail pushing sheet for pushing a suture nail is arranged in a nail cabin cavity, the cutter passes through a cutter groove positioned in the middle of the nail pushing sheet to be fixed on a cutter fixing plate, a plurality of springs with pretightening force are arranged between the nail pushing sheet and the cutter fixing plate, and the cutting edge of the cutter is lower than the tooth surface of the nail pushing sheet. The nail cabin assembly has the advantages that the effects of firstly suturing and then cutting can be achieved, the tissue suture is perfect, and an incision is regular without tearing.