Flat truck body structure of cash truck

The invention discloses the flat truck body structure of a cash truck, and relates to a truck body structure. The flat truck body structure is characterized in that a front wall assembly, side wall assemblies and a rear wall assembly are arranged on the four side edges of a truck body bottom plate assembly; a right side wall assembly is provided with a middle step assembly; a right side door assembly is arranged above the middle step assembly; a left wheel cover assembly and a right wheel cover assembly are arranged on the rear side of the truck body bottom plate assembly; a top cover assembly is arranged at the top of the front wall assembly, the side wall assemblies and the rear wall assembly; a left cab door upper water baffle groove and a right cab door upper water baffle groove are formed in the two ends of the front side of the top cover assembly respectively; an air conditioner host front bracket and an air conditioner host rear bracket are arranged at the front part of a left side wall assembly; a truck body water baffle groove assembly is arranged at the front part of the truck body bottom plate assembly; a rear wheel front mudguard and a rear wheel rear mudguard are arranged on the front side and rear side of each rear wheel respectively. The flat truck body structure is safe and effective, and has the characteristics of simple structure, high practicality, low modification cost and high convenience for processing.