The utility model provides an automobile door waterproof film and an automobile. The automobile door waterproof film comprises a film body fitting an inner board of an automobile door. The film body is provided with hardness holes. A protective sheet is connected to the edge of each harness hole and covers the harness hole. An automobile door assembly comprises a door inner board, a door guard board, and the automobile door waterproof film disposed between the door inner board and the door guard board. Through the application of the protective sheets, tear resistance of the harness holes is improved, bending strength, impact toughness and crack elongation in the automobile door waterproof film are all improved, and stress resistance is better. Through the application of the protective sheets, the problem that the automobile door waterproof film is torn can be solved thoroughly, and the problem that water leaks and the quality is not guaranteed after the waterproof film is torn is solved indirectly. The quality of the automobile with the automobile door waterproof film is further improved.