The purpose of this study is to improve expertise and substantiality of teachers by analyzing the level of satisfaction and the needs assessment of e-learning instructional contents on vocational subject at vocational high school. For the above purpose, we carried out a questiones to the 126 teachers and the 646 students in the second and the third grade of vocational high school. As a result, even though teachers knew the e-learning contents, they does not actively use the e-learning contents in class. They feels in need of contents which are able to be reconstructed. Students also prefer the contents focused on problem-solving to prepare for the national academic aptitude test and indirect experiences through simulation ways.