Abstract: Mycotoxin is the poisonous metabolite of mold. All of the hazardness, the most important is that it can inhibit the immune function of animal body, cause growth torpidity and performance degression, cut down the counteract ability of disease, and result in further loss in economy. Meanwhile there is coordinate repression among mycotoxin to immune system. The aim of this article is to make a general account of immunosuppression to animal body of some cardinal mycotoxin in feedstuff.

Key words: mycotoxin; animal body; immunosuppression; synergistic effect