The products of VRMQE can stimulate the natural ecological response in the soil, promote bacterial photosynthesis, realize carbon sequestration in the soil and improve soil structure. At the same time, it can improve soil fertility, adsorb and passivate soil heavy metals and pesticide residues, achieve the effect of water synthesis and soil improvement, and create good soil environmental conditions for crop growth. This project is suitable for all kinds of soil improvement plots, including saline-alkali land, desertification land, heavy metal contaminated land, etc.