Formula ratio: about 70% of domestic waste, 6% to 8% of nitrogen fertilizer, 8% to 10% of phosphorus fertilizer, 5% to 7% of potash fertilizer, 0.2% of boron fertilizer, 0.2% of zinc fertilizer, and 0.5% of root fertilizer .1% to 0.25%. The nitrogen fertilizer in the formula may be urea, ammonium sulfate or ammonium bicarbonate, the phosphate fertilizer may be superphosphate or ammonium phosphate, the potassium fertilizer may be potassium chlorate or potassium sulfate, the boron fertilizer may be boric acid or borax, and the zinc fertilizer may be zinc chloride or zinc sulfate. Second, smashing and sifting: After crushing the rubbish of domestic waste after smashing, sifting through a 20- to 30-mesh sieve, and then picking it with a magnet or artificial sifter to remove metal scraps such as iron scraps and get garbage fines. Third, the processing methods: According to the formula ratio of garbage fines, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, boron fertilizer, zinc fertilizer and rooting agent, mixed with a mixer or artificial, ready-made bulk multi-element living garbage fertilizer. If granular fertilizers are re-injected into the extruder for extrusion, granular fertilizers can be obtained. Fourth, the application method: multi-element household waste fertilizer, rich in nutrients needed for crops, the nitrogen, phosphorus, potassium content of pig manure is 5 times to 8 times, can be used for a variety of crops, the rooting of the crop and The growth is of great benefit. It does not compact the soil. It has low costs and high yields. It can generally increase production by more than 20%. When used as base fertilizer is the best, can also be used for early fertilizer, generally mu with 100 kg to 125 kg.