Abstract: With the popularization and application of Internet of Things technology, the introduction of Internet of Things, edge computing and other technologies into cable monitoring can solve the anti-theft problem well. This paper analyzes the composition of the cable anti-theft system. The main functions, data transmission and unit realization of the system are described. Through this research, the power cable can be monitored in real time and accurately. Effectively prevent theft. Avoid serious safety accidents. To ensure the safety of people's lives and property.