The invention discloses a preparation method of a nutrition fertilizer for wisteria, comprising the following ingredients by weight percentage: pine needle powder, Strychnos nuxvomica powder, sowthistle tasselflower herb powder, camphor tree leaf powder, dried human excrement powder, dried chicken manure powder, dried sheep manure powder, compound fertilizer, urea, phosphate fertilizer, zinc fertilizer, beanstalk powder, epoxy resin, Bordeaux mixture, carbendazim, paclobutrazol, and DuPont methomyl solution. The nutrition fertilizer disclosed herein has the advantages of low cost, easy obtainment of raw materials, simple preparation method, and abundant nutrient content, promotes wisteria to grow and develop fast and have strong growing power, and effectively solves the problems of segmenting fertilizing and multiple-time fertilizing and drug application required by wisteria, low yield of buds, low economic value, withered leaves, shedding, little flowering, small buds, undeveloped and small roots, slow growth, easiness in causing various insect diseases, decay and death.