The invention discloses an indoor computer equipment dust removal box, and relates to the technical field of assistants of power office equipment. The indoor computer equipment dust removal box consists of a box body, a cover, a rotating disk, a supporting column, a pedestal, a pulley, a shading device and supporting sheets, wherein the supporting column is arranged on the pedestal; the rotating disk is arranged on the supporting column; the box body is arranged on the rotating disk; an opening is formed in the top of the box body; the cover is arranged at the opening; the supporting sheets and an inclined plate are arranged in the box body; the shading device is arranged at the opening of the box body and consists of a magnetic rod, a limiting block and an ash blocking sheet; the limiting block is arranged on the outer surface of the box body; the magnetic rod is arranged on the limiting block; the ash blocking sheet is arranged on the magnetic rod; an operating hole is formed in the cover; and an ash cover and a hose are respectively arranged at positions, located on two sides of the operating hole, on the cover. The indoor computer equipment dust removal box is simple in structure and convenient to operate, and can quickly remove dust from a computer case and also prevent the surrounding environment from being polluted during treatment of the dust in the case, so that the work that people clean the case daily is greatly facilitated.