A method for performing data mining based on search behavior of a user is provided. One embodiment includes acquiring search behavior information of users; determining financial instruments corresponding to search behavior of the user and determining user attention information corresponding to each of the determined financial instruments. Another embodiment includes acquiring search behavior information of users; determining financial need related characteristics of the users; and grouping the users into user groups according to the determined financial need related characteristics; and determining a financial instrument corresponding to each of the user groups by matching the financial need related characteristic of each of the user groups with instrument characteristics of financial instruments. By implementing the methods, accurate and objective data support can be provided for financial institutions to provide financial instruments that meet user needs and financial instruments that meet the users' actual needs can be provided.