Covered stent, covered stent system and use method of covered stent system

The invention discloses a covered stent, a covered stent system and a using method of the covered stent system. The covered stent comprises a supporting main body, the laminated hole covering film is arranged on the supporting main body, the laminated hole covering film comprises a first covering film fixing layer and a covering film moving layer which are attached to each other, the first covering film fixing layer is connected with the supporting main body, and holes are formed in the first covering film fixing layer and the covering film moving layer; when the supporting body is opened, the hole in the first covering film fixing layer right faces the hole in the covering film moving layer, a guide wire is fed into a branch blood vessel from an aorta blood vessel through the holes, and a balloon is pushed into the holes along the guide wire; then the film covering moving layer is pulled until the holes in the first film covering fixed layer and the holes in the film covering moving layer are staggered, and