Automobile body threshold beam structure and automobile with same

The utility model relates to the technical field of automobile bodies, in particular to an automobile body doorsill beam structure and a vehicle with the same, which comprise a doorsill connecting beam, and a front sealing plate, a B-pillar lower inner plate and an A-pillar lower inner plate which are mounted on the doorsill connecting beam, the doorsill connecting beam protrudes upwards to form a connecting part used for being connected with a front sealing plate, a B column lower inner plate and an A column lower inner plate, a reinforcing piece dividing the interior of the doorsill connecting beam into a plurality of cavity structures is arranged in the doorsill connecting beam, and a reinforcing rib is arranged on the side, located in an automobile body, of the doorsill connecting beam. The top face of the doorsill connecting beam is a plane, a connecting plate is arranged on the side, located outside a vehicle body, of the top face of the doorsill connecting beam in a protruding mode, and through combina