Recently, e-Learning is used for self-study in the school and training in the company, etc. as the development of high spec computers and spread of the internet. The e-Learning system has a lot of features. For example, there is little time limitation compared with the class in the classroom, it is possible to make various contents by using computer and to supply their contents toward the remote place. The purpose of this study is to make the trial contents, to supply them for self-study and to evaluate them. The main purpose of the contents is training business skill for electrical engineer.