Hongsifang drought-resistant composite fertilizer is a new functional fertilizer in to which the water-saving material is added by the special manufacturing process on the base of deep research on the mechanism of interaction of water-saving material with fertilize. It not only has the function of common fertilizer, but also has functions of environmental protection, drought resistance, water preservation and fertilizer preservation. Also, it may improve the granular structure of soil, increase water permeability and gas permeability. Its national patent has been obtained, and it has passed the identification of provincial scientific and technological achievement.