The invention discloses a protein feed raw material prepared from Asian carps and is used for animal breeding and a preparation method for the protein feed raw material. The preparation method comprises the steps of performing smashing pretreatment on the Asian carps, mixing the smashed Asian carps with a microorganism preparation, and then performing fermentation so as to obtain the high-quality protein feed raw material with balanced protein and amino acid. The protein feed raw material can be widely applied to livestock breeding and animal aquaculture. Strains of a microorganism leavening agent comprise at least three of bacillus subtilis, saccharomyces cerevisiae, lactobacillus plantarum, lactobacillus acidophilus and pediococcus pentosaceus. A method which is low in energy consumption and low in cost and does not have any waste emission is supplied to deep processing of the Asian carps, so that the ecological problem caused by the Asian carps in America can be effectively controlled, and protein resources of the Asian carps are fully used; the prepared protein feed raw material can guarantee no loss of nutrition of the raw material, and polypeptides, cellulose, oligopeptide, oligopeptide mixtures, trace elements and the like can be generated; the optimal nutrition is supplied to animal breeding.