Covered stent and using method thereof

The invention relates to a covered stent and a using method thereof.The covered stent comprises a stent body and a covering film, the stent body is provided with a supporting skeleton and scales, and the scales are arranged on the supporting skeleton and warp up in the radial direction relative to the supporting skeleton; the covering film is attached to the supporting framework and the scales, hollowed-out holes are formed in the positions, corresponding to the scales, of the covering film, and the scales can cover the hollowed-out holes after being pressed. When the covered stent is used, the covered stent is conveyed to the aortic arch to be released through the conveyor; according to the covered stent, the upwarped scales, located at the branch blood vessels of the aortic arch part, of the covered stent are not extruded, and blood flow in the aortic blood vessels can flow into the branch blood vessels through the hollow holes below the upwarped scales of the covered stent on the supporting skeleton; when