Abstract:Biotechnology with synthetic biology as the frontier is a rapidly developing emerging field, and the resulting ethical issues in science and technology are gradually coming to the fore. Taking the governance strategies of major European and American countries as examples, discusses the motivational elements, specific paths and management mechanisms of the ethical governance of synthetic biology science and technology, proposes a sound legal system, a regular and long-term governance mechanism, a risk management mechanism for the whole process of risk monitoring, assessment and early warning in the field of synthetic biology research, and strengthen the science and technology ethics policy of synthetic biology research and recommendations to promote public participation in scientific decision-making in response to the current regulatory situation in China.