Covered vein stent

The invention relates to a covered vein stent which comprises a near-end stent and a far-end stent, the near-end stent and the far-end stent are tubular and are provided with net-shaped tube walls, the near-end stent comprises a near-end bare stent and a near-end covered stent with a covering film, and the far-end stent comprises a far-end bare stent and a far-end covered stent with a covering film. And the near-end covered stent is sleeved with the far-end covered stent. According to the covered vein stent, the near-end covered stent body of the near-end stent and the far-end covered stent body of the far-end stent are connected in a sleeved mode, and the relative positions of the near-end covered stent body and the far-end covered stent body can be adjusted, so that the adjusted covered stent body can completely cover a lesion vein segment, and the effect of preventing intravenous intimal hyperplasia and thrombus recurrence is achieved; the near-end bare stent of the near-end stent and the net-shaped tube w