The anti-theft terminal is designed to provide real-time operation detection and alarm of the power supply cable for outdoor street lamps. It is generally installed in the distribution cabinet. The street lamp cable remote monitoring is realized through the street lamp management cloud platform. When the power supply cable is stolen, the alarm will be issued as soon as possible The signal informs the monitoring center and related management personnel to make corresponding treatments to achieve effective anti-theft protection for the 6-way street lamp circuit 24 hours a day. It has the characteristics of strong adaptability, low false alarm rate, convenient installation and maintenance, and long service life. A cost-effective anti-theft device that efficiently protects terminal cables.