In the corn rhizosphere lives the fungus the separation and the nature preliminary Abstract: The present paper discussed through from the natural condition corn adult plant root separation， the purification obtained root's in to live the fungus， carried on the classified shape preliminary appraisal to it; Will purify in lives the fungus to vaccinate in passes through the corn non-vaccine root which the tissue culture obtains， judges it to the host corn adult plant growth growth influence; Obtains in by the time separation which has an effect to the corn growth growth to live the beneficial Key word: Corn; In lives the bacterium; Separation; The paragenesis breeds surely
