Anti-shaking abdominal cavity puncture outfit

The utility model discloses an anti-shake abdominal cavity puncture outfit, which relates to the technical field of medical equipment and comprises a main sheath tube and an expansion part arranged on the outer wall of the main sheath tube, the expansion part is positioned on the outer wall of the main sheath tube and punctures into an abdominal cavity from an abdominal incision along with the main sheath tube, and the expansion part expands in the abdominal cavity and outside the abdominal cavity. The main sheathing canal is prevented from sliding up and down along the incision, so that the main sheathing canal is prevented from penetrating into the abdominal cavity too deep to hurt internal organs; the main sheathing canal is prevented from falling off from the incision to influence normal operation. The expansion piece is expanded in the abdominal cavity and outside the abdomen, so that the main sheath tube is prevented from sliding up and down along an incision, the main sheath tube is prevented from pene