Soil slope collapsing treatment system and construction method thereof

The invention discloses a soil slope collapsing treatment system and a construction method thereof, and belongs to the technical field of soil and water conservation and slope and embankment protection. The soil slope collapsing treatment system comprises a free face which is formed by conditioning the collapsing side edge of a soil slope, wherein the free face is filled with a first filler layer and a second filler layer; the first filler layer comprises pure filler bags which sequentially fill from bottom to top along the free face; each pure filler bag comprises a pure packing bag which is filled with soil and crushed straws; the second filler layer comprises a plurality of ecological filler bags; each ecological filler bag comprises an ecological packing bag which is filled with soil, crushed straws and shrub and herbaceous plant seeds; each ecological filler bag is fastened and connected through at least one anchoring rod part. According to the soil slope collapsing treatment system, a soil slope collaps