The invention discloses a preparation method of a nursery pig feed for a family farm. The preparation method comprises the following steps of crushing soybean flour, sweet potatoes, oat bran, corn cobpowder, peanut vines and Chinese herbal medicines, adding peanut meal, sunflower seed meal, fly larva powder and locust powder, performing uniform mixing so as to obtain a first prefabricated material; and uniformly mixing the first prefabricated material with vermiculite powder, dicalcium phosphate, salt, methionine, allicin, cellulase and trace elements, and performing granulation so as to obtain the nursery pig feed for a family farm. Through the adoption of the feed obtained by the preparation method disclosed by the invention, the healthy growth of live pigs is facilitated, the time thatnursery pigs become full-grown and ready to slaughter is accelerated, the risk of breeding pigs on the family farm is reduced, the economic benefits are improved, the compatibility of the product namely the nursery pig feed is scientific and reasonable, the immunity of the nursery pigs is effectively improved and the development of the intestinal system of the pigs is promoted.