The invention discloses an intelligently integrated safety fence, relates to a safety facility for maintenance site of substation equipment, and aims to solve the problem of difficulty in arranging the safety fence for preventing substation operating personnel from entering into a charged interval by mistake. The safety fence is characterized in that each insulating mast is telescopic; three telescopic control fixing locks are respectively positioned on a first-layer insulating mast, a second-layer insulating mast and a rotary base; a third-layer insulating mast is provided with a plurality of warning colored ribbon clamping slots; a fixed base is fixed on the ground; the rotary base is fixed on the fixed base; the first-layer insulating mast is embedded in the rotary base; a warning colored ribbon spring scroll is fixed in each insulating mast; a warning colored ribbon fixing slot is fixed on the third-layer insulating mast; a terminal wrong-closure resistant locking hole and a telescopic node control button are both positioned on the side wall of a top cover; a first lamp and a second lamp are both positioned on the top cover. The intelligently integrated safety fence has the advantages that the fence setting time is shortened, the working efficiency is improved, and the safety fence is suitable for maintenance testing operation of primary substation equipment.