The invention discloses a nutritional type high slow release performance compound fertilizer for planting rice. The nutritional type high slow release performance compound fertilizer comprises the raw materials of urea, monoammonium phosphate, potassium chloride, ammonium chloride, diammonium hydrogen phosphate, monocalcium phosphate, zinc sulfate, ammonium molybdate, magnesium sulfate, oyster shell powder, kieselguhr, modified sepiolite powder, kaolin powder, talcum powder, dolomite powder, zeolite powder, thiourea, dicyandiamide, chicken manure, cicada manure, wormcast, maize straw, rapeseed cake, bagasse, coal ash, perilla seed, humic acid, EM strain, lignin and a modified slow-release inhibitor. The invention further provides a preparation method of the nutritional type high slow release performance compound fertilizer. The prepared compound fertilizer has an excellent slow release performance, provides rich nutrient substances for the crop, promotes the growth of the crop, and improves the yield and the quality of the crop.