The embodiment of the invention discloses a method and a device for extracting keywords of a page, relates to the field of extraction of the keywords and improves the accuracy rate and recall rate of extraction of the keywords of the page. The method comprises the following steps of: acquiring seed keywords and candidate keywords of the page; counting the frequency of the occurrence of the seed keywords and the candidate keywords in the same sentence; scoring the candidate keywords according to the frequency to obtain corresponding scores; sequencing the candidate keywords according to the scores; and selecting a predetermined number of the candidate keywords from the candidate keywords in a high-to-low sequence of the scores as the keywords of the page, and regarding the acquired seed keywords as the keywords of the page. The invention is mainly applicable to an extraction process of the keywords of the page.