Abstract: Disclosed is a method and device for identifying an industry classification of an enterprise and characteristic pollutants of the enterprise, wherein the method for identifying an industry classification of an enterprise comprises: acquiring information point data of a target enterprise; determining feature words of the information point data and feature values of the feature words according to a preset semantic lexicon, preset industry summary information and the information point data; and determining the industry classification to which the target enterprise belongs according to a preset industry classification prediction model and the feature values. Through implementing the present invention, the obtained feature values can effectively avoid interference of meaningless words, such that the industry classification to which the target enterprise belongs obtained from identification is more accurate.