The invention relates to a method for preparing Chinese herbal medicine nutrient fertilizer of radix paeoniae rubra. The Chinese herbal medicine nutrient fertilizer comprises 30,000 grams of dry human excrement, 30,000 grams of dry rabbit manure, 30,000 grams of dry chicken manure, 30,000 grams of dry duck manure, 30,000 grams of colza cakes, 30,000 grams of cottonseed cakes, 50,000 grams of corn stalk, 50,000 grams of rice bran meal, 50,000 grams of soybean stem meal, 20,000 grams of compound fertilizer, 10,000 grams of urea, 5,000 grams of calcium fertilizer, 5,000 grams of zinc fertilizer, 5,000 grams of potash fertilizer, 3,000 grams of magnesium sulfate, 3,000 grams of dichlorvos, 2,000 grams of paclobutrazol meal, 5,000 grams of powdered glucose and 15,000 grams of epoxide resin. The meals are all combined together in proportion, are put into a stirrer, are stirred for 70 minutes, are put into a pulverizer after being taken out, and are pulverized into about 60-mesh granules; then the granules are put into the stirrer again and stirred for 160 minutes, the stirred granules are all poured into a fermenting tank after being taken out, and human excrement and water are added in a proportion of 1:1.5, vertically and uniformly stirred, piled, firmly flapped, closely covered with plastic cloth, compacted and fermented for 26 hours.