Actinomycetes is a group of microbes that may produce antibacterial compounds. The antibacterial compounds can be used to control phatogenic bacteria that cause infection such as Escherichia coli and Salmonella typhi. This study aimed to isolate and test the inhibition ability of actinomycetes from peat soil, Pagaruyung Kampar, Riau to pathogenic bacteria, E. coli and S. typhi. A total of 23 is…