The invention relates to a special seed-dressing agent for organic black wheat. The special seed-dressing agent is characterized by being prepared from the following ingredients by weight: 500g of wheat straw powder, 10g of pine pollen, 5g of chelated zinc, 20g of calcium hypochlorite, 5g of lonicera japonica extract, 5g of purple sweet potato anthocyan, 3g of Tigecycline, 5g of curcumin, 10g of copper sulfate, 5g of pericarpium zanthoxyli oil, 3g of tobramycin, 4g of cefradine capsules, 30g of basswood bark powder, 15g of sodium nitrophenolate, 4g of clavulanic acid, 15g of selenium yeast powder, 50g of potassium sulfate and 15g of meerschaum powder. According to the special seed-dressing agent for the organic black wheat, the formula is scientific, and the ingredients are simple; by adopting the seed-dressing agent, underground insect pests such as white grubs, mole crickets, wireworms and cutworms of wheat can be effectively prevented and treated; and under the technical conditions of normal use, in-vivo residue of plants is absent, the influence on natural environments and other creatures is low, germinating, rooting, plant dormancy breaking and sound seedling breeding can be effectively hastened, the accelerating of metabolism of the plants can be promoted, and thus the yield of the wheat is increased.