CROSS-TERMINAL LOGIN-FREE METHOD AND DEVICE

The present application discloses a cross-terminal login-free method. The method includes: querying, by a server according to an IP address in a login request, a terminal device that has logged in successfully at the same IP address in server-stored corresponding relationships among unique identification information, login IP addresses, and user login identities (IDs) of terminal devices that have logged in successfully; queiying a corresponding relationship of unique identification information between the terminal device sending the login request and the terminal device that has logged in successfully in server-stored corresponding relationships of unique identification information between terminal devices according to the unique identification information in the login request; and sending, to a browser corresponding to a current login page of the terminal device, a data cookie corresponding to a user login ID of the terminal device that has logged in successfully, so that the terminal device logs in automatically. According to the present application, a user does not need to reenter an account and a password when switching to another terminal device for login, and security of user information is also guaranteed.