Building construction is one of the important human practice,so these architectural colleges are responsible for training qualified engineers. With the intervention and destructive power from the projects becoming more and more and the consequences becoming more dangerous, the engineers need to develop a new sense of responsibility for environmental ethics. The article described the current status of the construction about environmental ethics, revealed the causes of these, and proposed the research ideas and implementation strategies for the future disciplinary construction of environmental ethics. The author hopes to arouse the engineers ’deep thinking about the moral bottom line of architecture.