Desktop rack capable of being modularly disassembled and assembled

The invention relates to the technical field of racks, in particular to a modular disassembly and assembly desktop rack which comprises a bottom plate surface, the upper end of the bottom plate surface is connected with a desktop plate through screws, the upper end of the desktop plate is connected with a damping assembly through screws, the damping assembly comprises a bottom plate, a groove is formed in the upper surface of the bottom plate, and a plurality of vertical grooves are formed in the inner walls of the two sides of the bottom plate. Second springs are fixedly arranged in the vertical grooves, the upper ends of the second springs are connected with the lower surfaces of protruding plates, the protruding plates are slidably connected with the vertical grooves and arranged on the two sides of the containing plate, the number of the protruding plates corresponds to the number of the vertical grooves, and the lower surface of the containing plate is matched with the grooves. According to the device, a