A method for generating an industry chain graph is provided. The method may include acquiring a key word related to an industry field, and retrieving industry data corresponding to the industry field based on the key word related to the industry field from one or more information sources. The method may also include determining a plurality of components in an industry chain of the industry field based on the one or more information sources, and constructing one or more links between the plurality of components in the industry chain based on the industry data. The method may further include generating the industry chain graph related to the industry field based on the plurality of components and the one or more links.