The utility model relates to an electrical apparatus cabinet of high security performance, including the cabinet body, cabinet body side wall is last vertically to be equipped with a plurality of water drainage tank, is equipped with a set of bleeder vent between two adjacent water drainage tank, and water drainage tank's cross sectional shape be the isosceles trapezoid structure, and the cross sectional shape of bleeder vent is orthohexagonal structure, and the cabinet is equipped with a plurality of installation space on physically, is equipped with the drawer structure in the installation space, the drawer structure is locked through the tool to lock between ladder shelves and the drawer body including ladder shelves and drawer body, and the ladder shelves are fixed in installation space, the utility model discloses simple structure, stability is good, has improved life by a wide margin.