Composite chicken manure organic fertilizer and preparation method thereof

The invention discloses a composite chicken manure organic fertilizer. The composite chicken manure organic fertilizer is mainly prepared by fermenting the following raw materials in parts by weight:10-30 parts of sarcandra glabra and/or callicarpa macrophylla vahl residue fermentation broth, 10-20 parts of agricultural biological wastes, 40-70 parts of chicken manure and 1-8 parts of strains. The preparation method mainly comprises the following steps: firstly, preparing the sarcandra glabra and/or callicarpa macrophylla vahl residue fermentation broth, then uniformly mixing the sarcandra glabra and/or callicarpa macrophylla vahl residue fermentation broth with the agricultural biological waste, the chicken manure and the strain, conducting fermenting again, and finally, drying a fermented material to prepare the granular fertilizer. According to the invention, herb residue resources are recycled, the problem that waste herb residues of Chinese patent medicine enterprises pollute theenvironment is solved, th