Automobile back door trim panel and back door metal plate assembly and automobile

According to the automobile back door interior trim panel, the back door metal plate assembly and the automobile, the assembly is easy to assemble, and the situation that in a traditional structure, the strength of the turnup of the back door interior trim panel is low is avoided; the problems that the cotton felt is difficult to adhere and the adhering time is long are avoided; and the risks of cotton felt leakage and abnormal sound caused by poor cotton felt pasting effect or falling are avoided. The automobile back door trim panel and back door metal plate assembling assembly comprises a back door metal plate, a back door trim panel and a back door trim panel, the back door trim panel is used for being clamped and fixed with the back door metal plate, a second flange is formed on the back door trim panel, and a plurality of supporting seats are fixed below the second flange; the cotton felt is adhered to the first turned-over edge, and the cotton felt forms a U shape on the first turned-over edge; a clampi