NOVELTY - Composite coated fertilizer comprises 1-2 pts. wt. borax, 1-1 pts. wt. zinc sulfate, 20-25 pts. wt. ammonium sulfate, 30-35 pts. wt. diammonium phosphate, 10-15 pts. wt. bentonite, 1-2 pts. wt. zinc borate, 2-3 pts. wt. sodium aluminate, 35-45 pts. wt. peat, 15-20 pts. wt. medical stone powder, 2-3 pts. wt. water, 40-50 pts. wt. animal urine, 12-14 pts. wt. radix sophorae flavescentis, 3-5 pts. wt. calcium superphosphate, 9-12 pts. wt. polyvinylpyrrolidone, 8-10 pts. wt. soil improving agent, and balance water. The soil improving agent includes 10-20 pts. wt. sepiolite.    USE - Composite coated fertilizer.    ADVANTAGE - The fertilizer provides slow release effect of fertilizer, is safe to use and environment-friendly, and has low cost, long fertilizer efficiency and high fertilizer utilization rate.    DETAILED DESCRIPTION - Composite coated fertilizer comprises 1-2 pts. wt. borax, 1-1 pts. wt. zinc sulfate, 20-25 pts. wt. ammonium sulfate, 30-35 pts. wt. diammonium phosphate, 10-15 pts. wt. bentonite, 1-2 pts. wt. zinc borate, 2-3 pts. wt. sodium aluminate, 35-45 pts. wt. peat, 15-20 pts. wt. medical stone powder, 2-3 pts. wt. water, 40-50 pts. wt. animal urine, 12-14 pts. wt. radix sophorae flavescentis, 3-5 pts. wt. calcium superphosphate, 9-12 pts. wt. polyvinylpyrrolidone, 8-10 pts. wt. soil improving agent, and balance water. The soil improving agent comprises 10-20 pts. wt. sepiolite, 1-2 pts. wt. carbon nanopowder, 4-5 pts. wt. sodium metasilicate, 17-19 pts. wt. methyl methacrylate, 3-4 pts. wt. selenium yeast, 2-3 pts. wt. copper sulfate, 2-3 pts. wt. zinc gluconate, 1-2 pts. wt. magnesium chloride, 2-3 pts. wt. ammonium citrate, 1-2 pts. wt. boric acid, 4-6 pts. wt. dipentaerythritol hexaacrylate, 30-40 pts. wt. vinegar, 2-3 pts. wt. chitosan, 1-2 pts. wt. Eucalyptus oil, and 0.5-1 pts. wt. complex sodium nitrophenolate. The soil improving agent comprises 10-20 pts. wt. sepiolite, 1-2 pts. wt. carbon nanopowder, 4-5 pts. wt. sodium metasilicate, 17-19 pts. wt. methyl methacrylate, 3-4 pts. wt. selenium yeast, 2-3 pts. wt. copper sulfate, 2-3 pts. wt. zinc gluconate, 1-2 pts. wt. magnesium chloride, 2-3 pts. wt. ammonium citrate, 1-2 pts. wt. boric acid, 4-6 pts. wt. dipentaerythritol hexaacrylate, 30-40 pts. wt. vinegar, 2-3 pts. wt. chitosan, 1-2 pts. wt. Eucalyptus oil, and 0.5-1 pts. wt. complex sodium nitrophenolate. An INDEPENDENT CLAIM is included for preparation of the composite coated fertilizer, comprising:    (A) mixing zinc sulfate, borax, ammonium sulfate, diammonium phosphate, bentonite, zinc borate, sodium aluminate, and calcium superphosphate, adding water, uniformly mixing, then adding soil improving agent, continuously stirring to obtain slurry, and drying to prepare granule;    (B) adding rest components except polyvinylpyrrolidone, uniformly mixing, maintaining water content to 45-50%, sealing and fermenting at normal temperature in anaerobic condition for 20-30 days, turning stack every 4-5 days, then drying the fermented material, and crushing to obtain particles; and    (C) mixing granule and particles, adding to a fluidized bed, introducing air at 75-100 degrees C, holding air pressure in a suspended state, adding polyvinylpyrrolidone with 2 times water to obtain paste, heating to 45-50 degrees C, and then spraying the paste onto the mixed materials, then cooling and sieving to obtain the fertilizer product.