The utility model relates to a bounding wall is separated on lawn, its structure is along being equipped with horizontal going up along the ruffle on rectangular plate body, is equipped with fore -and -aft side along ruffle in the one end of plate body, is equipped with the tip at the other end of plate body and pegs graft, the tip is pegged graft the strip and be the side strip integrative with the plate body, and it has the taeniae seam to open between its and the plate body, and middle part that the taeniae seam extended to the plate body from following of plate body is parallel with the side of plate body, the interlude clearance that is greater than plate body thickness is omited along leaving to the side between the face of ruffle and plate body, the side goes up the base of following the ruffle along the upper end next -door neighbour of ruffle, and the side is less than the length that the taeniae stitched along the length of ruffle with last width sum along the ruffle. The utility model discloses can stack and save and the transportation, go back the grafting cooperation that bounding walls are separated to adjacent two of accessible, form the picture peg assembly of different length, both the space of reducible product occupy, reduced cost in business, still can make connection convenient operation swift, improved the work efficiency.