A detachable cabinet with multiple functions is provided. The cabinet includes a folding frame, a top panel and a bottom panel. The folding frame is foldable to save transport costs. Also, the top panel and the bottom panel are connected to the folding frame the notch and the stud. Therefore, the bench cabinet can be assembled and disassembled easily without tools by users. After assembly, the cabinet would assemble divider panels or drawers to form as a floor cabinet, a drawer cabinet or a storage cabinet.