With 20 years of introduction of PSM along with changes in domestic industry, the need for improvement of the system is emerging. Based on the definition and significance of each of the eight components of RBPS, we compared and analyzed with the PSM system in order to investigate the extent to which the introduction of RBPS is effective for domestic companies in order to improve the efficiency of the PSM system. In this paper, we tried to compare and analyze the RBPS and PSM system, and implemented a focus group interview (FGI) on the PSM practitioners. In terms of improving the PSM system, we will actively review the elements of RBPS 'first pillar (Commit to process safety) to ensure that the process safety culture, process safety capability, We expect that the PSM workplace safety culture will be settled if the improvement of the system is checked to evaluate the status of the PSM site.