The embodiment of the invention provides a page sharing processing method and a page sharing processing device. The method comprises the following steps: acquiring the page category of a candidate page; comparing the candidate page with a plurality of pages contained in the page category, acquiring a target page with the content as same as the content of the candidate page and sharing the candidate page and the target page, wherein the pages are classified according to a preset classifying condition statistical result of each page and the preset classifying condition statistical result of each page contained in the same page category meets the preset condition. In the embodiment of the page sharing processing method and device, the page category of the candidate page is acquired, and the candidate page is only compared with the pages contained in the page category and is not compared with all the pages, so that the times of invalid comparison is reduced, the efficiency is increased and the cost of page comparison is reduced.