The utility model provides a scrubbing tower for following gas flow removes HBr and/or br2, the scrubbing tower includes: will the gas flow is introduced extremely gas flow entry in the scrubbing tower, follow the scrubbing tower takes out the discharge port of washing gas flow, wherein the discharge port is located the upper portion of scrubbing tower is regional, the washing inflow entrance, the washing inflow entrance is located gas flow entry top, with liquid phase water inject extremely distributor in the gas flow, and effluent export, the effluent export is located and be located among the scrubbing tower lower region gas flow entry below.