Passenger car and side sealing plate structure used for being connected with decorating parts of door of passenger car

The utility model relates to a passenger car and a side sealing plate structure used for being connected with decorating parts of a door of the passenger car. The side sealing plate structure used for being connected with the decorating parts of the door of the passenger car is integrally arranged in the middle of a front-end side sealing plate in punch forming mode and fixedly connects the front-end side sealing plate and a back-end sealing plate in butt welding mode so that at the time of assembling of inner decorating parts of the passenger car, a butt-jointed seam of the front-end sealing plate and the back-end sealing plate is arranged on the back and a turn corner on the side wall of a passageway of the door is avoided, and therefore the front-end sealing plate and the back-end sealing plate can fill the butt-jointed seam in butt welding mode to enable shell fabrics laid on the outer faces of the side sealing plates to spread completely. Moreover, the number of and assembling time of the inner decoratin