The utility model discloses a by constructing road bed that rubbish filled, including the ground, filled on the ground a plurality of layer in proper order superimposed building rubbish fill layer, each layer one deck flow state calking compound has all been pour in order to fill on filling the layer to building rubbish space between each aggregate of building garbage layer, the top layer the building rubbish fill the layer with be provided with the road surface structure on the flow state calking compound, the building rubbish fill the layer with the side slope of the flow state calking compound outside is provided with the road bed soil of borduring jointly. The utility model discloses on the building rubbish after every lamination is real fills the layer, pour one deck flow state calking compound, fill building rubbish with it and fill space between each aggregate of layer for whole of the laminiform one -tenth of road bed that building rubbish filled prevents to construct rubbish and fills relative movement under loading between the aggregate in place variant, guarantees the monolithic stability and the safety of building rubbish road bed.