The invention relates to a special fertilizer for planting corns. The special fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of dry mature powder, 30-40 partsof a potassium fertilizer, 30-40 parts of urea, 12-26 parts of algin, 12-26 parts of algae iodate, 30-40 parts of monoammonium phosphate, 30-40 parts of ammonium chloride, 30-40 parts of sapropel, 30-40 parts of a bean cake fertilizer, 30-40 parts of silkworm excrement, 30-40 parts of jasmine residue, 10-20 parts of sweet potato residue, 20-30 parts of peanut root powder, 10-20 parts of radix scutellariae, 20-30 parts of spica prunellae, 12-26 parts of acanthopanax senticosus, 12-26 parts of herba schizonepetae, 10-20 parts of red dates, 12-26 parts of herba houttuyniae, 20-30 parts of honeysuckle flowers, 12-26 parts of cloves, 16-26 parts of organic silicon, 30-40 parts of wormcast and 1.8-2.2 parts of microelements. The fertilizer has the characteristics that the immunity of the corns can be improved, the corn particles are big, uniform and plump, the yield is effectively increased, and the like.