Combined catheter sheath set

The invention discloses a combined catheter sheath group which comprises a sheath tube body and further comprises a bleeding prevention assembly, the bleeding prevention assembly comprises an outer tube body and an inner pushing piece connected in the outer tube body in a sleeved mode, the sheath tube body is sleeved with the outer tube body, an opening piece is arranged at the far end in the outer tube body, a traction wire is connected to the opening piece, and the bleeding prevention assembly is connected with a bleeding prevention device. The traction wire axially penetrates through the inner pushing part, the distraction part has a closed state which is limited by the outer tube body and an open state which is located on the outer side of the outer tube body, and in the open state, the distraction part is arranged and blocked at a sheathing canal puncture opening in a blood vessel. According to the combined catheter sheath set, after the outer tube body is sleeved with the sheath tube body, the outer tub