Multi-level and multi-class classification method for science news headlines

The invention discloses a multi-level and multi-class classification method for science news headlines. Science news are classified by the multi-level classification method through the news headlines and are divided into six classes including life science, medical science, geoscience, mathematical and physical science, chemical science and information science; multi-level is that a to-be-classified science news text is classified at multiple levels to judge the classification. The method comprises the following steps: firstly, judging whether the to-be-classified news text is information science news or not, if so, ending; otherwise, judging whether the to-be-classified news text is the life science or medical science or not or one of geoscience news, mathematical and physical science news and chemical science news, further judging whether the to-be-classified news text is life science news or medical science news, and further judging whether the to-be-classified news text is one of the geoscience news, the mathematical and physical science news or the chemical science news. According to the multi-level and multi-class classification method for the science news headlines, the purpose that the science news are classified in detail on a Web page is achieved; and the use value of the science news after being classified on the Web page is improved.