Computer room is an important infrastructure of information technology on education for colleges, how to balance the load, calculate fees flexibly, improve resource utilization, service for the teachers and students better is an urgent problem.Firstly, the development trends of computer room management systems are discussed in the paper. Secondly, gives a data model of open computer room management system, which in order to balance the load and improve the utilization efficiency etc. of computer rooms. Finally, gives the intelligent billing algorithm according to the designed data model, and then implemented the algorithm using stored procedure with SQL Server 2005.
