The invention discloses a multifunctional special fertilizer for nursery stocks and a preparation method thereof. The multifunctional special fertilizer for nursery stocks is prepared from the following raw materials in parts by weight: 30-40 parts of kitchen garbage, 15-25 parts of tea-seed pancake, 10-15 parts of stone coal flag, 12-18 parts of skin of bamboo shoots, 10-15 parts of coffee grounds, 16-22 parts of broken branches and fallen leaves, 10-15 parts of dry red soil, 8-16 parts of attapulgite, 5-10 parts of sea mud, 1.5-2.5 parts of strain powder, 15-20 parts of urea, 5-10 parts of ammonium magnesium phosphate, 10-15 parts of calcium superphosphate, 2-4 parts of potassium fulvic acid, 5-10 parts of sodium carboxymethyl starch, 4-8 parts of chitosan oligosaccharide, 3-6 parts of bone meal, 1-2 parts of zinc citrate, 1-2 parts of copper sulfate, 10-15 parts of opal, 12-16 parts of bryozoatum, 5-10 parts of coral sand, 2-3 parts of tobacco stems, 3-4 parts of tomato leaves, 1-2 parts of chenopodium ambrosioides, 2-3 parts of parepigynum funingense, 1.5-2.5 parts of masson pine and 1-2 parts of buxus sinica leaves. The fertilizer disclosed by the invention is high, long and comprehensive in fertilizer efficiency, the ecological environment of crops is improved, the plant diseases and insect pests of soil are restricted, the granular structure of soil is improved, the soil hardening is eliminated, the soil is loosened, the yield-increasing effect is obvious, and the crop quality is obviously improved.