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With the development of information technology, information management system has been widely used based on computer and network technology.Especially, security problem became more and more important, which need to offer many safeguard for resource visit. Identity validation is the vital technology of system security, which protects entry process in order to prevent illegal users from accessing resource.This dissertation presented scheme of network user register in BIOS based on computer room experimentation management system which applies security requirement for protecting clients in information management system. This method faced computer bottom which merged hardware and software and prohibited illegal users from entering system drastically. Besides, this method achieved computer network security and made entry become essential. Finally, this method realized network information, automation function of barn management, which has important academic and practical values.Compared with other entry control scheme, the BIOS register system in this paper prohibited hidden trouble, and resolved block of restricted register system in computer OS. Others, changing barn do not need repeated work, which enhanced the efficiency of barn management in future. In open lab computer user management, register using BIOS program can largely improve computer use efficiency, which will get better social and economic benefits.