The invention discloses a method and a device for searching based on an index table. The method comprises the following steps of distributing a text label for a collected text, and performing word segmenting on the text; according to each segmented word after text processing, extracting parameter information of the text, and according to the parameter information of the text, updating the index table; identifying a search term inputted by a user, and segmenting the words of the search term; according to each of the segmented words after the word segmenting, respectively traversing in the index table, and outputting a traversing result. The method has the advantage that by integrating an index table establishing and updating mechanism, and utilizing the index table to search, target result of the searching request proposed by the user can be more reasonably, efficiently and quickly obtained.