Electric power fence

The invention discloses an electric power fence. The electric power fence comprises a first supporting column, a second supporting column, first vertical bars and diagonal draw bars. Locating pins arehinged with the bottom ends of the first supporting column and the second supporting column, executive devices are installed inside the first supporting column and the second supporting column, telescopic columns are installed at the top ends of the first supporting column and the second supporting column, and the bottom ends of the telescopic columns are connected with the executive devices. Laser sensors are arranged at the top ends of the telescopic columns and connected with the executive devices through wires. First transverse rods are connected with the two corresponding ends of the first vertical bars and connected with the bottoms of the first supporting column and the second supporting column, and the first vertical bars are connected in sequence through the diagonal draw bars. Second vertical bars are a