The invention discloses Hongyang kiwifruit special purpose base fertilizer and relates to the technical field of kiwifruit cultivation. The Hongyang kiwifruit special purpose base fertilizer comprises, by weight, 50 to 60 parts of farm fertilizer, 0.5 to 2 parts of fulvic acid, 7 to 12 parts of calcium superphosphate, 5 to 10 parts of modified vermiculite powder, 2 to 4 parts of potassium silicate, 6 to 10 parts of ammonium nitrate, 0.5 to 1 part of borax, 1 to 3 parts of expanded perlite, 3 to 8 parts of seaweed, 0.1 to 0.5 parts of ferrous sulfate, 3 to 6 parts of sawdust and 3 to 7 parts of turf. The invention also discloses a preparation method of the Hongyang kiwifruit special purpose base fertilizer. The preparation method realizes reasonable matching and adjustment of nutrients in the fertilizer, slowly releases nutrients, satisfies nutrients for kiwifruit growth in the lowering period in the second year after kiwifruit picking in the autumn, increases a Hongyang kiwifruit yield, improves Hongyang kiwifruit quality, improves water retention, ventilation and fertilizer conservation ability of soil, improves a soil structure and activates the potential fertility of the soil. The preparation method of the Hongyang kiwifruit special purpose base fertilizer is simple and easy and has a good promotion and application value.