Abstract: Based on the idea of integrating softwares with hardwares of microcomputers,the system described in this paper employs two biochemical analyzers connected to one microcomputer to realize the sharing of software and hareware resources,the reduction of system expenses.An out-system is used to manage data-testing in two analyzers.This paper provides detailed description of the key skills for realizing real-time data communication,data integration,and data base sharing and management.The methods discussed are applicable to the system designs of similar kinds.