Abstract: The present invention relates to a method and system of electronic data processing based self-help service, which is comprised of a network management center and customer terminals connected via network communication system. The network mode of the system can be W/B (Web/Browser) or C/S (Client/Sever). The network management center includes a hardware portion of network center servers, auxiliary PCs or the embedded operation system and network equipment—includes network cards inside the servers and network cables; and a software portion of an information data database, a network management database, an electronic business database, a management software, a encrypt key authentication and information security software package including a firewall or VPN system. The customer terminals include a customer terminal host and a plurality of customer terminal slaves constructed by way of building block with different service content.