On the basis of development of plug and play intelligent watt-hour meter equitment ,the mode of multipath network reading meter system is used to realize the plug and play of watt-hour meter,aimed at the drawbacks of traditional Watt-hour meter and meter reading system installation which takes a long time to debug,operate and maintain,and have a low efficiency, complete functions of autologin and automatic registration for electric energy meter and concentrator and master station system.The engineering application shows that,the research outputs produces good economic and social benefits in improving the work efficiency of staff for installling and reading meter and raising the level of the lean management in electric energy metering.