In recent years, the rapid development of Citizen Science has a profound impacton civic education, social public decision-making and scientific research. To facilitate Responsible Citizen Science is an important topic. A summary of theories and practices about Responsible Citizen Science in Europe and America can be a reference to Chinese Citizen Science. By analyzing academic papers and official documents published in recent 10 years, the present study summarized theories, practices, problems and resolutions about resolution of Citizen Science ethical issues abroad. Considering the current situation of our country, we conclude that some in-depth public policy research should be carry out to understandt he Citizen Science and public policy and prepare to cope with the problems, bridge platform which involves stakeholders should be built to facilitate the standardization and institutionalization of Citizen Science, Regional Ethics Committee should be responsible to review non-public funded projects, The technological safety awareness of the whole society should be improved by carrying out scientific and technological ethics education programs.