Host protection device for network security

A host protection device for network safety disclosed by the present invention comprises a protection box body, a cleaning mechanism, a cooling mechanism and a fixing mechanism, the protection box body is a two-half hinged opening and closing box body, the protection box body is internally provided with a placement cavity for clamping a host, the box body is internally provided with the cleaning mechanism, and the cleaning mechanism is located on the inner wall of the placement cavity. A lifting plate is arranged at the bottom of the containing cavity, a cooling mechanism is arranged on the lifting plate, the host is cooled through the cooling mechanism when the host works, a fixing mechanism is arranged on the outer wall of the bottom of the protective box body, the box body is fixed through the fixing mechanism, and therefore operation of workers is facilitated; the host is mainly protected, the host is prevented from being collided and damaged in the using process, meanwhile, when the host works, the host