Abstract: A gas radiation burner includes a gas supply member for injecting a gas; at least one mixing pipe producing a mixed gas by sucking air together with the gas injected by the gas supply member, the at least one mixing pipe uniformly injecting the mixed gas; a burner pot having a lateral side opening connected to the at least one mixing pipe to accommodate the mixed gas supplied by the at least one mixing pipe; a burner mat provided over the burner pot to emit radiant heat generated by combustion of the mixed gas supplied by the burner pot; and a burner housing provided on the burner mat to provide a combustion room.