Chat information transmission method and device and chat information push method and server

The invention discloses a chat information transmission method and device and a chat information push method and server. The chat information transmission method includes that receiving game account number information input by a user, and generating role log-in information; sending at least one piece of role log-in information generated according to the game account number information to the chat information push server; displaying the log-in state of the corresponding game role according to the game account number information; receiving the push information pushed by the chat information push server according to the role log-in information, and displaying the chat prompting information of the corresponding role when receiving the push information. By means of the chat information transmission method and device and the chat information push method and server, several game roles can simultaneously chat on line, the complex operation for switching the game client is avoided, and the game role chatting convenience is greatly increased.