Recently, the blooming of computer industry and intensive international trade make Taiwan as an economical miracle in the whole world. However, the ethics and morality in Taiwan are not following the steps of the growth in economics. The main reason of the phenomenona is that ethics and morality are ignored. In this article, we explore how to combine engineering ethics materials into the computer courses, it aims to apply penetrative teaching approach in the education of ethics in computer engineering curriculum. We find out the subjects and approach which are the most significant teaching ethics issues in computer engineering, and establish specific teaching materials examples as instructor references. The experiences in cross curricular teaching of ”introduction to computers” course are also included.