Medical stent of composite structure

The utility model discloses a medical stent of a composite structure. The medical stent is characterized by comprising a stent far-end, a stent body and a stent near-end; the medical stent is provided with at least one layer; the stent far-end and the stent near-end are made of materials different in hardness; a hydrophilic coating favorable for feeding and taking out the medical stent coats the outer surface of the medical stent. One end of the stent and the stent body are sufficient in hardness, narrow lesions can be sufficiently expanded, sufficient drainage is achieved, displacement of the stent is avoided, and the other end of the stent is soft and cannot cause injury to peripheral lumens and tissue; by the arrangement of the drug coating, pollution can be reduced; unobstructed time of the stent is prolonged since a biodegradable layer or an inner coating feature in timely eluting of a biological film, secondary surgery to replace the stent by doctors can be avoided, medical cost is saved, and patients' pain is reduced.