The invention discloses a high-slow-release anti-hardening organic fertilizer for planting grapes. The organic fertilizer contains the following raw materials: cow dung, corn straws, furfural residue,peat, a straw fermentation bacterial agent, medical stone powder, shell powder, chitin, fish bone meal, sodium amino dicarboxylate, magnesium nitrate mud, urea phosphate, borax, ammonium chloride, potassium chloride, diammonium phosphate, potassium nitrate, calcium humate, magnesium humate, boric acid, ammonium nitrate, calcium dihydrogen phosphate, zinc-amino acid chelate, zinc sulfate, manganese sulfate, zinc acetate, molybdenum sulfate, an anti-hardening modified aid and a modified slow-release filling. The organic fertilizer for planting the grapes has excellent slow release performance and anti-hardening performance and is capable of supplying rich nutrients to the grapes, so that the growth efficiency of the grapes is improved, and the survival rate of the grapes is increased.