Dustproof structure of vehicle transmission shaft fixed end and dustproof cover

One purpose of the invention is to provide a dustproof structure of a vehicle transmission shaft fixed end. The dustproof structure is excellent in dustproof sealing performance; and meanwhile, a dustproof cover is easily pressed in the end part of a transmission shaft to achieve low assembly difficulty and good economy. Correspondingly, the other purpose of the invention is to provide the dustproof cover with good sealing performance and easily pressed in the end part of the transmission shaft; the dustproof cover comprises a plastic main body integrally molded; the plastic main body comprises an inner ring, an outer ring, and an annular connecting part for connecting the inner ring with the root part of the outer ring; an end cover is arranged at the top of the inner ring; the outer ringfirstly shrinks inwards from root to top, and then, expands outwards to form a shrinkage section and an expansion section; a metal skeleton is arranged in the plastic main body; correspondingly, themetal skeleton comprises a