Storage cabinet of heavy truck

The utility model discloses a storage cabinet of a heavy truck. The storage cabinet of the heavy truck comprises a storage cabinet lower plate (1) and an electric appliance control panel (3), wherein the electric appliance control panel (3) is arranged on an electric appliance support (4); a mounting support (2) is arranged on the storage cabinet lower plate (1); the storage cabinet lower plate (1) is provided with a middle lower box assembly (6) and a right lower box assembly (8); and the middle lower box assembly (6) and the right lower box assembly (8) are connected with the mounting support (2). By using the technical scheme, the storage cabinet of the heavy truck is mounted in a modularization manner, is mounted and detached conveniently in a clamped connection manner, and is simultaneously suitable for automobiles with left steering wheels or right steering wheels by adjusting the positions of the assemblies; and the cost is reduced.