The compounds of Cordyceps spp.have important effects on inhibition of tumor,radioprotection and enhancement of immune response.In this paper,the effect of Cordyceps pruinosa extracts(CPE) on immunological function of human tonsil lymphocyte and mice splenic T cell was investigated.Not only the proliferation of activated human T lymphocyte and activated mice splenic T cell was enhanced,but also prolife-ration of activated splenic T cell in cyclophosphamide-inhibited mice was restored with CPP1 in vitro.It c...