NOVELTY - A fertilizer is prepared by utilizing 6-8 pts. wt. oilseed rape cake dregs, 4-6 pts. wt. soybean cake dregs, 10-12 pts. wt. walnut shells, 6-8 pts. wt. cottonseed cake dregs, 4-6 pts. wt. tea tree branch powder, 3-4 pts. wt. soybeans, 4-7 pts. wt. corn, 9-11 pts. wt. Alfalfa meal, 1-2 pts. wt. sodium selenite, 1-2 pts. wt. zinc sulfate, 1-2 pts. wt. ferric sulfate, 6-8 pts. wt. oil, 4-6 pts. wt. bamboo charcoal powder, 3-5 pts. wt. diatomite, proper amount of microbial inoculum (effective microorganisms), 15-20 pts. wt. soil conditioner and proper amount of water.    USE - Fertilizer for promoting the growth of tea.    ADVANTAGE - The fertilizer is rich in various nourishments such as organic fertilizers and inorganic fertilizers, and has no toxicity, side effect and drug resistance, and avoids pollution to the environment, improves quality of the tea leaves, and improves soil fertility.    DETAILED DESCRIPTION - A fertilizer is prepared by utilizing 6-8 pts. wt. oilseed rape cake dregs, 4-6 pts. wt. soybean cake dregs, 10-12 pts. wt. walnut shells, 6-8 pts. wt. cottonseed cake dregs, 4-6 pts. wt. tea tree branch powder, 3-4 pts. wt. soybeans, 4-7 pts. wt. corn, 9-11 pts. wt. alfalfa meal, 1-2 pts. wt. sodium selenite, 1-2 pts. wt. zinc sulfate, 1-2 pts. wt. ferric sulfate, 6-8 pts. wt. oil, 4-6 pts. wt. bamboo charcoal powder, 3-5 pts. wt. diatomite, a proper amount of microbial inoculum (effective microorganisms), 15-20 pts. wt. soil conditioner and a proper amount of water, where the soil conditioner is prepared by utilizing 10-12 pts. wt. urea, 6-8 pts. wt. citric acid, 3-4 pts. wt. soybean powder, 10-12 pts. wt. vinegar dregs, 5-6 pts. wt. sodium dodecyl sulfate, 2-3 pts. wt. zinc sulfate, 3-4 pts. wt. sodium selenite, 1-2 pts. wt. manganese sulfate, 2-3 pts. wt. ferrous sulfate, 3-4 pts. wt. silkworm, 4-6 pts. wt. brown sugar, 2-3 pts. wt. vermiculite powder, 1-2 pts. wt. kaolin, 2-3 pts. wt. lime, 1-2 pts. wt. oil, 3-4 pts. wt. Eucalyptus oil, 2-3 pts. wt. borax, 1-2 pts. wt. trimeric sodium phosphate, 1-2 pts. wt. silane coupling agent KH550, 2-3 pts. wt. water, and fertilizer is prepared by mixing attapulgite and zinc sulfate, sodium selenite, manganese sulfate, ferrous sulfate and borax, adding silane coupling agent, KH550 silane and uniformly stirring to obtain mixed fertilizer, adding urea melt, adding Eucalyptus oil, stirring uniformly, adding the mixed fertilizer, uniformly stirring, adding the rest component, adding proper water into slurry, mixing uniformly, granulating, and drying to obtain the product.    An INDEPENDENT CLAIM is also included for a method for preparing fertilizer, which involves mixing soybean, corn powder, rape cake dregs, soybean cake dregs, walnut shell, cotton seed cake dregs, tea tree powder, and clover powder, adding right amount of water, mixing uniformly, inoculating EM microbial inoculum, piling and fermenting for 10-15 days, turning, drying followed by mixing with sodium selenite and zinc sulfate, ferric sulfate, oil, bamboo charcoal powder and mixing uniformly, and pelleting to obtain the finished product.