Equipment and method for searching information

The invention provides equipment and a method for searching information. The method is used for receiving key words by responding to searching users among multiple users, and implementing searching in an information base to obtain one or more to-be-returned information items; based on the importance of each of one or more information items, returning the information items to the searching users. By the adoption of the method, the objectively-existing internal relations among the searching users, the information items and creators can be fully utilized, so that the precision of searching is improved.