The utility model discloses a gas water combination disperser for asphalt oxidation, which comprises a process connecting pipe, two SV type static mixers, and a dendritic distributor main pipe, wherein the process connecting pipe extends in an oxidation tower; the SV type static mixers are connected with the process connecting pipe through flanges; the dendritic distributor main pipe extends to the axle center of the oxidation tower through an elbow; branch pipes are arranged on the dendritic distributor main pipe; the tail end of each branch pipe is connected with a concentric reducing joint through a branch pipe elbow; the SV type static mixers are gas water static mixers, and are respectively arranged on a vertical pipe and a horizontal pipe; a bearing beam is arranged in the oxidation tower; the branch pipes adopt a two layer structure, and are fixed on the bearing beam through pipe clamps; and a pipe cap is arranged at the tail end of the dendritic distributor main pipe. Through the adoption of the technical scheme, the gas water combination disperser has the advantages that the utilization rate of oxidation wind is improved, and the reaction time of oxidation is shortened.