 Anaerobic gram-positive cocci are frequently isolated from anaerobically infected bones and joints., they accounted for 40% of anaerobic isolates of osteomyelitis caused by anaerobic bacteria and 20% of anaerobic isolates of arthritis caused by anaerobic bacteria.P magnus and P prevotii are the predominant bone and joint isolates.Management of these infections requires prolonged courses of antimicrobials and is enhanced by removal of the foreign material.