A stent, in which a silicone film can be formed in a small thickness and uniformly and the diameter of the stent can be reduced, includes: a tubular stent main body which is formed by processing a metal tube or a metal sheet or weaving a metal wire material and has mesh-like openings an inside cover which is so coated around the stent main body as to cover the mesh-like openings and is composed of a polyurethane film and an outside cover which is coated on the outer periphery of the stent main body and the inside cover and is composed of a silicone film.