A method for obtaining on-line service, comprising: a vehicle mounted system establishing data communication with a mobile communication device according to a first user instruction; the vehicle mounted system sending a first piece of information about a capability of the vehicle mounted system to the mobile communication device; the vehicle mounted system sending a first request for an on-line service list to the mobile communication device according to a second user instruction; the mobile communication device forwarding the first piece of information and the first request to a server; the server obtaining the on-line service list and processing the obtained on-line service list based on the first piece of information, wherein the processing of the obtained on-line service list comprises cancelling, from the obtained on-line service list, services that cannot be used by the vehicle mounted system; the vehicle mounted system receiving the processed on-line service list from the server via the mobile communication device; the vehicle mounted system sending a second request for a selected on-line service to the mobile communication device according to a third user instruction; the mobile communication device forwarding the second request to the server; the server obtaining, according to the second request, data of the selected online-service; the vehicle mounted system receiving contents of the selected on-line service from the server via the mobile communication device, where the contents of the on-line service are obtained by processing the data of the selected on-line service at the mobile communication device and/or at the server so that the contents match the capability of the vehicle mounted system; and the vehicle mounted system presenting the contents of the selected on-line service. a vehicle mounted system establishing data communication with a mobile communication device according to a first user instruction; the vehicle mounted system sending a first piece of information about a capability of the vehicle mounted system to the mobile communication device; the vehicle mounted system sending a first request for an on-line service list to the mobile communication device according to a second user instruction; the mobile communication device forwarding the first piece of information and the first request to a server; the server obtaining the on-line service list and processing the obtained on-line service list based on the first piece of information, wherein the processing of the obtained on-line service list comprises cancelling, from the obtained on-line service list, services that cannot be used by the vehicle mounted system; the vehicle mounted system receiving the processed on-line service list from the server via the mobile communication device; the vehicle mounted system sending a second request for a selected on-line service to the mobile communication device according to a third user instruction; the mobile communication device forwarding the second request to the server; the server obtaining, according to the second request, data of the selected online-service; the vehicle mounted system receiving contents of the selected on-line service from the server via the mobile communication device, where the contents of the on-line service are obtained by processing the data of the selected on-line service at the mobile communication device and/or at the server so that the contents match the capability of the vehicle mounted system; and the vehicle mounted system presenting the contents of the selected on-line service.