Recent year, government has done many efforts to encourage the enterprise to build up occupational management system. Its goal is to increase the ability to control risk. Therefore, Council of Labor Affair (CLA) integrated ILO-OSH:2001 and OHSAS 18001:2007 to enact Taiwan Occupational Safety and Health Management System (TOSHMS) and issued the Risk Evaluation Technique Index to give the enterprise a guideline.In this research, the Risk Evaluation Technique Index and Risk Matrix are applied to analyze the hazard factors of a selected steel factory. The results showed all hazard factors in the manufacturing process are identified and the ability to control the risk is obviously increased.