NOVELTY - Organic medicinal fertilizer additive comprises 20-25 pts. wt. coconut shell, 1-2 pts. wt. nitrification inhibitor 3,4-dimethylpyrazole phosphate, 6-8 pts. wt. coal ash, 2-4 pts. wt. glucose, 0.2-0.4 pt. wt. polyethylene glycol, 2-4 pts. wt. wheat bran, 3-6 pts. wt. silkworm excrement, 10-15 pts. wt. lees, 3-5 pts. wt. cookies waste, 1-5 pts. wt. potassium sulfate, 2-6 pts. wt. wild chrysanthemum, 4-8 pts. wt. radix cirsii japonici, 2-6 pts. wt. dandelion, 1-3 pts. wt. cacumen biotae, 0.3-0.4 pt. wt. sodium dodecylbenzenesulfonate, and 1-2 pts. wt. lauric acid.    USE - Organic medicinal fertilizer additive.    ADVANTAGE - The additive is nutritious and environment-friendly, has good adsorption of heavy metals, and can achieve waste utilization.    DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of additive comprising drying coconut shell until moisture content of less than 20%, thermal cracking, carbonizing at 400-500 degrees C, cooling, grinding, sieving through 1 mm sieve to obtain biomass at particle diameter of less than 1 mm; sieving, mixing with coal ash, stirring, washing with water to remove surface dust and impurities, adding 5-8% hydrochloric acid solution at mass ratio of 1:1.5-2.5, mixing, soaking at room temperature for 15-18 hours, separating solid and liquid, drying resulting powder, and performing UV radiation for 10-12 hours to obtain mixed modified material; dissolving sodium dodecylbenzenesulfonate in water, spraying on mixed modified material, and drying to obtain modified mixed powder; mixing wild chrysanthemum, radix cirsii japonici, dandelion and cacumen biotae, boiling to obtain medicine liquid and dregs, mixing glucose and water, adding medicine liquid and lauric acid, and stirring at 100-200 revolutions/minute for 10-20 minutes to obtain complex sterilizing solution; and mixing medicine dregs, wheat bran, silkworm excrement, lees and cookies waste, open-air composting for 15-22 days, air-drying, mixing with modified mixed powder, complex sterilizing solution and remaining raw materials, and composting at 40-60 degrees C for 10-12 hours.