A guard fence is provided to secure the view of a driver on the traffic sign and information sign by intercepting the growth of the plant growing up near the guardrail. An angle(10) which is fixed by a combining unit and a fixing device(20) and has a plurality of through holes(11), and a guard fence is connected by the through holes and a connecting unit and is formed like a lattice type net. A plate is connected to the lower part of the guard fence by the connecting unit, and is combined with a boundary block. The fixing device has a fixing hole(2c) to be combined with a post and a fixing protrusion(21).
