The construction of the scientific and technological ethics management system is crucial to ensure the healthy development of scientific research, and is also the premise and foundation for the scientific and technological innovation and "double first-class" construction of colleges and universities. This paper through the investigation of college life science and medical research ethics committees’ relevant situation, concentrated on the comparative analysis of the construction of ethics training system to identify problems and shortcomings, combined with the work example of Peking University and the current development trend of life science and medical research, some suggestions, including take advantage of the combination of medical services, teaching and research at universities, were put forward to provide possible reference for further updating of the science and technology ethics management in colleges and universities.