Multifunctional cabinet under desk

The invention relates to a multifunctional cabinet under a desk, and belongs to the technical field of daily utensils. The cabinet comprises a cabinet body and a fixing plate, an open storage cavity is formed in the cabinet body, the fixing plate is movably connected with the cabinet body and is capable of closing/opening the storage cavity, the cabinet body includes side faces at both sides, a binding strap for pressing the fixing plate to the surface of the cabinet body is arranged on the side faces, a chain belt is arranged at the middle section of the binding strap, and the chain belt is provided with a pull head for meshing/pulling away the chain belt. The cabinet can be carried the same as a suitcase, and the storage cavity of the cabinet is bundled and closed by the binding strap toensure that items in the storage cavity are protected; meanwhile, by using the cabinet, the space under a desktop can be partitioned, the space inside the desk can be divided into the spaces at bothsides of the cabinet, the