A page redirection method performed by a system comprising a terminal device and a routing device, the method comprising: a.) determining, by the routing device, whether a version update message notified by a network server is detected, wherein the version update message is for updating the routing device; b.) in case of yes in step a.), setting, by the routing device, an access address of a redirected-to page to an access address of a prompt page, wherein the access address of the prompt page is contained in the version update message; c.) receiving, by the routing device, a first access request sent by the terminal device containing a first access address of a page that a user needs to access and storing the first access address; d.) sending, by the routing device, the first access request to the network server corresponding to the first access address; e.) receiving, by the routing device, a first access response that is corresponding to the first access request and is fed back by the network server; f.) modifying, by the routing device, a return code of the first access response and adding, by the routing device, the access address of the redirected-to page and the first access address to the first access response, thereby providing a modified first access response; g.) sending, by the routing device, the modified first access response to the terminal device; h.) sending, by the terminal device, a second access request according to the modified return code to the routing device, wherein the second access request comprises the first access address and the access address of the redirected-to page; i.) receiving, by the terminal device, a second access response that is corresponding to the second access request and is returned by the routing device, wherein the second access response comprises an access response corresponding to the first access address and an access response corresponding to the access address of the redirected-to page; j.) displaying, by the terminal device, according to the second access response, the page that the user needs to access in a first display window that is already opened when the first access request is sent to the routing device, and opening, by the terminal device, according to the second access response, the redirected-to page in a second window to display the redirected-to page at the same time. a.) determining, by the routing device, whether a version update message notified by a network server is detected, wherein the version update message is for updating the routing device; b.) in case of yes in step a.), setting, by the routing device, an access address of a redirected-to page to an access address of a prompt page, wherein the access address of the prompt page is contained in the version update message; c.) receiving, by the routing device, a first access request sent by the terminal device containing a first access address of a page that a user needs to access and storing the first access address; d.) sending, by the routing device, the first access request to the network server corresponding to the first access address; e.) receiving, by the routing device, a first access response that is corresponding to the first access request and is fed back by the network server; f.) modifying, by the routing device, a return code of the first access response and adding, by the routing device, the access address of the redirected-to page and the first access address to the first access response, thereby providing a modified first access response; g.) sending, by the routing device, the modified first access response to the terminal device; h.) sending, by the terminal device, a second access request according to the modified return code to the routing device, wherein the second access request comprises the first access address and the access address of the redirected-to page; i.) receiving, by the terminal device, a second access response that is corresponding to the second access request and is returned by the routing device, wherein the second access response comprises an access response corresponding to the first access address and an access response corresponding to the access address of the redirected-to page; j.) displaying, by the terminal device, according to the second access response, the page that the user needs to access in a first display window that is already opened when the first access request is sent to the routing device, and opening, by the terminal device, according to the second access response, the redirected-to page in a second window to display the redirected-to page at the same time.