This paper designed a Web based remote monitoring platform of household electricity consumption using technologies of B/S structure by JSP and JDBC.This platform can get operating data and load records of household appliances timely, enable users to monitor the operational aspect of their household appliances remotely,and help users to adjust the working hours of their household appliances to minimize the electric bill.Basing on a smart household system application example, the main functions of the platform and the effectiveness of the energy management strategy are verified.