A B/S （browers/server） mode business expanding system for power supply enterprises is designed and implemented in this paper.The system is on the basis of the JSP technology. Instead of the complicated process and low efficiency of the traditional one

the new business expanding system is reliable

efficient

convenient and easy to maintain. It makes the connection between the power supply enterprises and customers easy and effective. A successful application of the system is in Jiangxi Jian Power Sypply Bureau.