The invention relates to devices and methods of a quick search of computer software in various procedural functions imported. The installations include: the data module of interface element characteristics, the storage of characteristic information of interface elements; Data module of interface elements relation, storage the relationship information between interface elements; String input module accepts a string; Interface elements matching module, computing the relativity between a string and strings for describing the characteristics of interface elements, and the output of interface elements owned the string meeting the correlation requirements; location path calculation module, the calculation of one or more location path of some interface element in accordance with the data module of interface elements relation; the module of findings, listing one or more of the characteristics of the interface elements, as well as more than one path of the location correspondence with the interface elements. This invention can be quickly and accurately to identify the function entrance required by a user.