The utility model discloses a recyclable sand blocking wall and a sand blocking wall system. The device comprises a stand column and a sand baffle, wherein a plurality of preformed holes are formed ineach stand column from bottom to top, an obtuse angle is formed between every two adjacent preformed holes, the number of the stand columns is two, the number of the sand blocking plates is at leastthree, the two ends of each sand blocking plate penetrate through the corresponding preformed hole and are fixed through buckles, the number of the preformed holes is larger than that of the sand blocking plates, and the sand blocking plates sequentially penetrate through the preformed holes from bottom to top. The recyclable sand blocking wall is light in weight, high in durability, stable in structure, low in manufacturing cost, easy and convenient to construct and high in sand prevention benefit, the purpose of prolonging the service life of the sand prevention wall can be achieved when sand storm prevention is conducted in large sand storm areas such as a thyme wind area and a smoke pier wind area, and the recyclable sand blocking wall can be widely applied and popularized in the areas.