Since 2011, the research team of China Anti-Corruption Research Center, Chinese Academy of Social Sciences (CASS), has continuously conducted a comprehensive follow-up study on the situation of the punishment on and the prevention of corruption in China, and published the relevant research results through Blue Book every year. Report on China's Anti-Corruption Construction No. 9 is one of the research results in 2019, which demonstrates the research results accomplished by the research team, for example, the questionnaire surveys and the investigations of national conditions. It consists of six sections, including a general report, regional reports, special reports, an enterprise report, evaluation reports, innovative practice and an appendix.