NOVELTY - Preparing organic fertilizer comprises drying Pu-erh tea dreg and then sterilizing, grinding the sterilized dreg into powder and then sieving, taking fresh pig manure after drying and then sterilizing, taking Chinese gooseberry pulp, uniformly mixing Pu-erh tea dreg powder, dry pig manure, Chinese gooseberry pulp, and uniformly mixing coal powder, peat soil, honey, and effective microorganisms (EM) inoculum and then fermenting, evenly mixing chicken crown flower, bark of tree peony root, rose, bitter gourd leaf, and balsam pear flower and then soaking, and drying mixture and then grinding.    USE - The method is useful for preparing organic fertilizer (claimed).    ADVANTAGE - The method provides organic fertilizer with less toxicity.    DETAILED DESCRIPTION - Preparing organic fertilizer comprises (1) drying Pu-erh tea dreg and then sterilizing, and grinding the sterilized dreg into powder and then sieving through 100-200 meshes to obtain Pu-erh tea dreg powder, (2) taking fresh pig manure after drying and then sterilizing to obtain dry pig manure, (3) taking Chinese gooseberry pulp, (4) uniformly mixing 15-18 pts. wt. of Pu-erh tea dreg powder, 18-20 pts. wt. of dry pig manure, 20-30 pts. wt. of Chinese gooseberry pulp, uniformly mixing 5-7 pts. wt. of coal powder, 10-12 pts. wt. of peat soil, 1-2 pts. wt. of honey, and 0.5-1.5 pts. wt. of effective microorganisms (EM) inoculum and then fermenting for 6-8 days to obtain fermentation material, (5) evenly mixing 1-2 pts. wt. of chicken crown flower, 3-4 pts. wt. of bark of tree peony root, 2-4 pts. wt. of rose, 3-5 pts. wt. of bitter gourd leaf, and 3-5 pts. wt. of balsam pear flower and then mixing with vinegar and soaking for 4-6 days, drying the mixture and then grinding to obtain traditional Chinese medicine powder, (6) uniformly mixing the fermentation material, and traditional Chinese medicine powder and then tacking for 5-7 days to obtain fertilizer A, (7) mixing 20-24 pts. wt. of urea, 45-50 pts. wt. of diammonium phosphate, 40-45 pts. wt. of potassium chloride 1-2 pts. wt of alum, and 3-5 pts. wt. of diatomite to obtain fertilizer B and (8) uniformly mixing fertilizer A and fertilizer B.