Abstract: A login method and a login apparatus are provided. A third party server receives a login request of a first client and returns an identification code, the first client displays the identification code, and the third party server receives an authentication request of a second client to obtain a user unique identifier of the second client, wherein, the authentication request is sent by the second client according to an address of the third party server contained in the identification code after performing image acquisition to the identification code, and the third party server performs login authentication to corresponding third party account information bound to the user unique identifier and returns a login authentication result. The third party account information bound to the user unique identifier varies depending on the difference in the address information of the third party server contained in the identification code.