For this purpose, analyzed the data collected through conducting survey on maritime workers as ``Job stress factors evaluation tool for Koreans`` that was developed by KOSHA in 2003. The eight job stress factors which are physical environment, job requirement, job autonomy, relationship conflict, job insecurity, workplace culture, unfair compensation, and organizational system were analyzed. As a result, almost eight job stress factors showed higher stress with below thirties maritime workers than above fifties maritime workers. On the other hand, job insecurity factors showed higher stress with above fifties maritime workers than below thirties maritime workers. And, almost eight job stress factors showed higher stress non-exercised group with than with exercised group. This study provides the fundamental information for understanding human factors of maritime workers job stress. From the results of this study, the work loss due to the job stress could be prevented, and stress factors could be removed at the workplace.