An object of the present invention is to provide a case for a desktop computer enabling enhanced use of an office area and enhanced utility of a desktop computer. In order to achieve the object, the present invention provides a case for a desktop computer for storing computer parts including a mains board, a power supply (PS), an optical disk drive (ODD), and harddisk (HDD). Such a case for a desktop computer includes a first body for storing at least one computer part of the computer parts, and a second body for storing at least one computer part of the computer parts, wherein an angle between the first and second bodies is adjustable.