The utility model relates to a medical treatment image diagnostic equipment's auxiliary component, specifically speaking is a magnetic resonance imaging system cantilever type combination bedstead. Support and the slide including bracket, connecting plate, girder, crossbeam, back, wherein the bracket set up in magnetic resonance imaging system's the front end below of host computer, the top of bracket is connected with two girders that are parallel to each other through the connecting plate, and the front end of two girders is the cantilever type, and connects through the crossbeam, and a slide by preceding ranging back is all laid to the top of every girder, the back support sets up in the rear end of host computer and is connected with two slides. The utility model discloses bedstead integral erection adopts the cantilever type design on the host computer, do not have any contact with ground, does not consequently receive ground flatness's influence, has solved the highly unmatched problem of bedstead with magnetic resonance imaging system.