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Due to the poor anti-theft effect of traditional systems, a real-time anti-theft system for distribution network users is designed based on wireless communication network. According to the overall structure of the system, the wireless communication network is used as the carrier, and the hardware terminal is designed with RS-485 bus as the main communication mode. The information is transmitted to the main station through two-way communication. ADE7758 chip is used as the core chip of anti-theft power station to ensure the minimum error of each phase current in the dynamic range of 1000:1. The communication interface is connected with SPI compatible serial interface to ensure the transmission of measurement parameters. The wireless network access mode is used to design the power supply line of the wireless communication server, so that each level of load point measurement can be used as real-time communication data. NET Remoting is used to design the software function of the system. By calculating the power consumption of the main load node and the actual line loss rate, the real-time anti-stealing system design for distribution network users is realized. The experimental results show that the maximum anti theft effect of the system can reach 98% and ensure the reliable operation of the distribution network.