The goal of this study was isolation and identification of fun in peanuts and use of silver nanoparticles(AgNPs to inhibit them. For this purpose, firstly, we have isolated fungi from infected peanuts and identified on the basis of morphological and motecular study, out of the total 54 fungal isolates, 47 were found to be Aspergillus spp, and other belongs to Penicillium spp.