Automobile interior trim panel installation structure and automobile

The utility model provides an automobile interior trim panel installation structure and an automobile adopting the structure. The installation structure comprises an installation bracket and a buckle connected with the installation bracket, wherein the installation bracket comprises a top plate, side plates connected with both sides of the top plate and wing plates extending outwards from the end parts of the side plates; the top plate, the side plates and the wing plates form an n-shaped structure; a locating hole is formed in the top plate; the wing plates are fixed with side wall flume through welding; and the buckle penetrates through an interior trim panel and is clamped with the locating hole so as to locate the interior trim panel. The automobile interior trim panel installation structure has the advantages of being simple in structure, low in cost and convenient to install, and can meet strength requirement.