The utility model discloses a multipurpose valve chamber housing with a novel structure, relating to the technical field of automobile engine structures and aiming at overcoming the defects that a valve chamber housing on an existing automobile engine has no other purposes but for oil and gas separation, an air filter on the upper end of the air chamber housing cannot be fixed until an independent support is mounted, and wiring harnesses around the upper end of the valve chamber housing also need to be fixed by an independent support. According to the technical scheme of the multipurpose valve chamber housing disclosed by the utility model, a plurality of bulges for mounting air filters are arranged on the outer surface of the upper side of the valve chamber housing of the existing structure, and a support for mounting the wiring harnesses is arranged on the outer surface of the left side of the air chamber housing of the existing structure. According to the multipurpose valve chamber housing disclosed by the utility model, the air filters can be conveniently fixed, and meanwhile, the requirements on fixing positions of different air filters of multiple vehicle factories can also be met. The wiring harnesses can be fixed conveniently, a wiring harness support is saved, resources are saved, and the valve chamber housing can be shared by various vehicle factories.