Embodiments of the present invention disclose an information transmission method, apparatus, and system, and a terminal, and a server. The information transmission method may include: sending, by a first mobile terminal, an information transmission instruction to a plug-in associated with the first mobile terminal; acquiring, by the plug-in, according to the information transmission instruction, link information of a current webpage in a browser where the plug-in is located, and sending the link information to a server; and acquiring, by the server, webpage information of the current webpage according to the link information, and sending the webpage information of the current webpage to the first mobile terminal. The present invention can implement information transmission, and improve the convenience of information transmission.