The utility model relates to the field of drawing cabinets, in particular to a drawing cabinet body, which comprises a cabinet body, drawers, a sealing cover plate and bottom wheels, the bottom wheels are arranged at the bottom of the cabinet body, the drawers are arranged in a plurality of groups and are arranged in the cabinet body in a sliding manner, a cavity is arranged in the drawer at the lowest layer, a rectangular
flange is arranged on the upper side in the cavity, and the rectangular
flange is arranged on the lower side in the cavity. A first sealing strip is annularly arranged at the upper end of the rectangular
flange, the sealing cover plate is slidably arranged in the cavity in an attached mode, a second sealing strip is annularly arranged at the side end of the sealing cover plate, a clamping edge is annularly arranged at the bottom of the sealing cover plate, the clamping edge is connected to the inner side of the rectangular flange in a clamped mode, and a
handle is arranged at the bottom of the sealing cover plate. The side end of the cabinet body is provided with an accommodating cavity for accommodating the sealing cover plate.