NOVELTY - Multi-element coated fertilizer is prepared using vermiculite, diatomite, iron ore residues, manganese sulfate, ammonium molybdate, sodium sulfate, corn straw, rape straw, melon vine, tea saponin, polyacrylamide, effective microorganism (EM) inoculant, potassium dihydrogen phosphate, calcium pantothenate, zinc sulfate, sodium borate, soil improving agent, and suitable amount of water. The soil improving agent contains feather meal, nanocarbon powder, ammonium molybdate, methyl methacrylate, selenium yeast, calcium pantothenate, zinc gluconate and magnesium chloride.    USE - As multi-element coated fertilizer.    ADVANTAGE - The fertilizer contains not only nitrogen, phosphorus and potassium but also other major elements, is rich in trace elements, and nutritionally complete, exhibits synergetic effect due to presence of polyacrylamide coating on granules and soil improving effect, has excellent sustained-release effect, water retention effect and soil loosening function, high utilization efficiency and low cost, and promotes absorption of nutrients by plants.    DETAILED DESCRIPTION - Multi-element coated fertilizer is prepared using 11-14 pts. wt. vermiculite, 9-12 pts. wt. diatomite, 6-9 pts. wt. iron ore residues, 1-2 pts. wt. manganese sulfate, 1-2 pts. wt. ammonium molybdate, 17-20 pts. wt. sodium sulfate, 79-85 pts. wt. corn straw, 63-69 pts. wt. rape straw, 35-39 pts. wt. melon vine, 1-2 pts. wt. tea saponin, 16-20 pts. wt. polyacrylamide, 6-8 pts. wt. effective microorganism (EM) inoculant, 19-24 pts. wt. potassium dihydrogen phosphate, 1-2 pts. wt. calcium pantothenate, 1-2 pts. wt. zinc sulfate, 1-2 pts. wt. sodium borate, 7-9 pts. wt. soil improving agent, and suitable amount of water. The soil improving agent comprises 10-20 pts. wt. feather meal, 1-2 pts. wt. nanocarbon powder, 4-5 pts. wt. sodium metasilicate, 17-19 pts. wt. methyl methacrylate, 3-4 pts. wt. selenium yeast, 2-3 pts. wt. calcium pantothenate, 2-3 pts. wt. zinc gluconate, 1-2 pts. wt. magnesium chloride, 2-3 pts. wt. ammonium molybdate, 1-2 pts. wt. boric acid, 4-6 pts. wt. dipentaerythritol hexaacrylate, 30-40 pts. wt. edible vinegar, 2-3 pts. wt. chitosan, 1-2 pts. wt. Eucalyptus oil, 1-2 pts. wt. zinc oxide, 3-4 pts. wt. wollastonite powder, 10-12 pts. wt. sodium alginate powder, and 3-5 pts. wt. chlorinated paraffin. Preparation method of the soil improving agent, involves (a) mixing methyl methacrylate, dipentaerythritol hexaacrylate, chlorinated paraffin, feather meal, nanocarbon powder, Eucalyptus oil, zinc oxide, wollastonite powder and sodium alginate powder uniformly, stirring mixture uniformly, and heating mixture to 65-75 degrees C, (b) mixing remaining raw materials and stirring mixture uniformly, and (c) mixing mixtures obtained in the steps (a) and (b), and subjecting obtained mixture to high speed dispersion to obtain slurry. An INDEPENDENT CLAIM is included for preparation method of the above-mentioned multi-element coated fertilizer, which involves (a) mixing iron ore residues, manganese sulfate, ammonium molybdate, sodium sulfate, potassium dihydrogen phosphate, calcium pantothenate, sodium borate and zinc sulfate, adding suitable amount of warm water to mixture, mixing components uniformly, adding soil improving agent, vermiculite, diatomite and iron ore residues to obtained mixture, stirring mixture uniformly, subjecting the mixture to high speed dispersion to obtain slurry, concentrating slurry, drying concentrate and granulating dried concentrate to obtain granules, (b) mixing remaining components except polyacrylamide uniformly, maintaining water content of obtained mixture at 43-48%, stirring mixture uniformly, sealing stirred mixture, subjecting sealed mixture to anaerobic fermentation at room temperature for 21-30 days, turning fermenting mixture once every 3-5 days, drying fermented product and granulating dried product to obtain granules, and (c) mixing granules obtained in the steps (a) and (b), adding mixed granules to fluidized bed coating machine, maintaining air inlet temperature of 70-100 degrees C in the fluidized bed coating machine and pressure sufficient to maintain granules in suspension state, preparing aqueous solution of polyacrylamide, heating polyacrylamide solution to 45-50 degrees C, spraying polyacrylamide solution on mixed granules, coating granules with polyacrylamide solution, cooling coated fertilizer granules, and sieving cooled granules.