The invention discloses a system and method of supporting multiple terminals and networks for multi-person interactive entertainment application extension. And the system structure comprises user terminal equipment, network access equipment, intelligent conversion adapting system and multi-person interactive entertainment application server. Different user terminal equipments use special-developed specific terminal versions of multi-person interactive entertainment applications; the intelligent conversion adapting system comprises content transmit-receiving subsystem and content conversion adapting subsystem, where the former supports the original interactive entertainment application network protocol of large-scale multi-person interactive entertainment applications for Internet supporting PCs and fixing wired access, and simultaneously supports the extended interactive entertainment application network protocol for supporting optimization of multiple terminals and networks; and according to terminal type, the latter converts the request results into the form and format adapted to user terminal type. |