There are many and various problems due to an occupational disease. These problems result in serious social problems such as individual and family problem, economical loses of company. The objective of this study is to analyze the worker's consciousness and provide the precautionary measures for prevention of an occupational disease. The samples for this study are chosen from the companies with less than 300 employees under charge of the Kangnung Ministry of Labor during three months (2002. 3. 2 ∼ 2002. 5. 31).