While musculoskeletal disorders increased, its prevention efforts were rather decreased or its operation was insufficient. This study aims to examine the actual conditions of musculoskeletal disorders at Electronics Company in Korea, analyze occupational danger factors related to musculoskeletal disorders through analysis of components of wrong workplaces and works, evaluate degree of danger of factors examined, analyze association between danger factors and musculoskeletal disorders, accumulate data of musculoskeletal disorders which are not enough in Korea and further prepare the foundation of improving working environment and developing prevention/management program of musculoskeletal disorders.