Electrical cabinet dust removal device

The utility model relates to the field of electrical cabinets, and discloses an electrical cabinet dust removal device which effectively solves the problems that an existing filter screen is not easy to take out, inconvenient to clean and easy to block, and comprises a cabinet, exhaust holes are evenly formed in the two sides of the interior of the cabinet, and air inlet holes are evenly formed in the top end of the cabinet. A dust removal assembly is installed in the cabinet and comprises an installation box installed in the cabinet, a supporting plate is arranged in the installation box, filtering side plates are symmetrically installed on the two sides of the supporting plate, first filtering holes are evenly formed in the filtering side plates, and the installation box is installed in an installation groove. Dust particles are blocked on the inner wall of the side, close to the filtering side plate, of the box body, and the side, close to the filtering side plate, of the box body is obliquely arranged, so