Actinomycetes is one of microorganisms that can be used as a natural antibiotic. Metabolites produced by actinomycetes have antagonistic activity on bacteria, therefore it can be used as antibacteria. The purposes of this study were to select and test the antibacterial activity of actinomycetes isolated from peat soil in Desa Rimbo Panjang Kabupaten Kampar Riau to inhibit the growth of Escheric…