To make our country's vocational education meet the industry's need, Ministry of Education announced the ”temporary outline of vocational high school curriculum” in 2005 academic year and carried the new curriculum out in 2006 academic year. In the new curriculum, the power machinery curriculum, which tends towards mechatronic engineering, is the biggest change. Since the vocational high school teachers' perceived job stress and coping strategy become the key to successfully carry out the new curriculum. This study aims to research the power machinery curriculum teachers' perceived stress in vocational high school. This study induced the sources of teachers' stress first, then census 13 vocational high schools in Taichung county, Taichung city, and Chuanghua county. 131 questionnaires were mailed, 122 questionnaires were returned, and 104 questionnaires were valid. The result indicated that the lack of teaching resource is the main source of stress. Female perceived more stress than male. Older teachers perceived more stress. The teachers who teach over 21 years perceived the most stress. The teachers who serve the director concurrently perceived the most stress. The married teachers perceived more stress than single ones.