A method for sharing a cross-platform account resource is described. An authentication request carrying a user name, a password, and an ID of an APP resource server is transmitted to an account management server, based on a register account on the account management server; an authentication ticket corresponding to the APP resource server is received from the account managements server, and the authentication ticket is stored, in which the authentication ticket carries a user ID, an authorization key and a refresh key; a resource request is transmitted to the APP resource server, based on the user ID and the authorization key in the authentication ticket; an APP resource is received from the APP resource server, after the APP resource server requests the account management server to verify the authentication ticket by using the user ID and the authorization key.