With the rapid development of engineering technology,the higher requirments in the ethical quality of engineers has been noticed.The engineering ethics course has become a compulsory course for full-time engineering master degree postgraduates of Guilin University of Technology.In order to improve the teaching effect of chemical engineering and engineering ethics,the study adopts an interactive discussion mode combining general cases and professional cases,summarizes and analyzes characteristic cases with distinctive professional features and outstanding ethical issues,and discusses various engineering ethical issues.The teaching practice shows that the discussion of reasonably configured cases with professional characteristics has deepened students'understanding of typical ethical issues,strengthened their professional ethical responsibilities as engineers,cultivated good engineering ethical awareness and decision-making ability when dealing with ethical conflicts,and improved the teaching effect of engineering ethics.