Fermentation is a way of traditional Chinese medicine processing,which has the advantages of enhancing the efficacy of medicine,reducing drug toxicity,changing drug activity and improving the extraction rate of effective components of traditional Chinese medicine.Fermented traditional Chinese medicine has the advantages of low toxicity,high efficiency and no residue.How to make full use of its advantages and apply it to livestock farming has become a hot issue concerned by scholars.In this paper,the application research,existing problems and application prospects of fermented traditional Chine...