Active net anchor is a kind of active protection network, which is a flexible protection system based on steel wire rope network and the force transmission component between the formation, and the geological body is reinforced by the anchor.

Active protective net is a variety of flexible nets mainly based on steel wire rope nets that are wrapped on the required protective slope or rock to limit the weathering, spalling or damage of slope rock and soil and dangerous rock collapse (reinforcement), or to control the movement of rockfalls within a certain range (containment)