The embodiment of the invention discloses a webpage request safe processing method and a webpage request safe processing system; the method comprises the following steps that: the current webpage on a browser side constructs the encrypted log-in information of the current webpage; the browser side sends the webpage request of the current webpage; the webpage request comprises the encrypted log-in information of the current webpage and the log-in information of the current webpage that a browser adds; a server side receives the webpage request, and matches the encrypted log-in information of the current webpage in the webpage request with the log-in information of the current webpage that the browser adds after encryption; if the matching result is inconsistent, the webpage request is interrupted; and if the matching result is consistent, the webpage request is normally responded to. After the invention is adopted, the identification and the prevention to cross-site request forgery (CRSF) attack are realized when the reform to the whole system is small.