The utility model provides a novel electric power security fence, including two rail poles, installation circle formula box has the rail area on the rail pole in the circle formula box, and the rail area is taken out from the round formula box of a rhizosphere railing and is formed the block, the night light material is adopted in the rail area, has warning marker on the rail area, go back the rail pole on configuration infra -red equipment be used for measurement personnel or instrument to exceed security range to be equipped with voice alarm device. The utility model discloses a security fence warning marker is striking, and night is visible to whether the auto -induction personnel exceed security range, and send audio alert.