The invention discloses a fertilizer special for walnut, comprising, by weight, 40-50 parts of urea, 20-25 parts of ammonium dihydrogen phosphate, 25-30 parts of potassium humate, 15-20 parts of magnesium sulfate, 10-15 parts of diatomite, 1-2 parts of solid bacterial agent, 200-230 parts of corn stalk, 80-100 parts of wheat bran, 100-150 parts of farm manure, 50-80 parts of sawdust, and 50-60 parts of peanut shell. Waste is well utilized in the fertilizer, soil environment is improved using the fertilizer, less environmental damage is caused, and the fertilizer has high nutritional value and slow-release ability, the trouble of frequent application is omitted, and cost is saved; in addition, the fertilizer has certain effect of resisting disease and pest damage, less pesticide is applied, and the environment is protected. In total, yield of Chinese walnut is increased by 15-20%, and the Chinese walnut is imparted high nutritional value and has considerable market benefit.