Vehicle body and vehicle

A vehicle frame assembly comprises a second top cover cross beam, a second floor cross beam, two third supporting columns, a front reinforcing plate assembly, a threshold assembly and a fourth supporting column, and the second top cover cross beam, one third supporting column, the second floor cross beam and the other third supporting column are sequentially connected to define a third structural ring; the front reinforcing plate assembly, the doorsill assembly and the fourth supporting column are sequentially connected to define a fourth structural ring, and the third supporting column and the second floor beam are both connected to the doorsill assembly. The invention relates to the technical field of automobile bodies, a continuous third structure ring is formed in a third supporting column area, a continuous fourth structure ring is formed in a fourth supporting column area, meanwhile, the third structure ring and the fourth structure ring are connected through a threshold assembly, and the collision load