Engineering is a profession that aims to facilitate human life. Engineers seek solutions to problems using science and technology. However, the engineer can cause problems with his decision or actions. As it is known, some engineering applications may cause undesirable effects on human, environment and nature. Therefore, the engineer must be able to think through all aspects of the consequences of his decisions and actions. The engineer should learn to make the right decision in his choices. For this reason, engineers should give due importance to universal ethical principles and professional ethical principles.