This book is the result of an objective analysis based on quantitative research of the situation of openness of government affairs in China in 2019. It consists of five parts: General Re-port, Systematic Advancement of Openness of Government Affairs, Systems Relating to Openness of Government Affairs, Openness of Government Affairs in Specific Fields and Giving Full Play to the Role of Openness of Government Affairs.

This book contains a large amount of the latest and most authoritative data collected by the author's team with high credibility. The rule of law index research framework used in this book was initiated by the author's team and has been continuously updated and improved. Through the evaluation of government transparency, it demonstrates the improvement of China's open government system and the steady progress of open decision-making, as well as the significant progress of open government services. It also provides scientific and objective feasibility advice and suggestions for enhancing the awareness of openness, accurately identifying public information needs, integrating openness into the whole process of government activities, and improving the level of information security.

He Tian is the director of Rule of Law Index, CASS, researcher of Institute of Law, CASS, principal researcher of the rule of law index innovation project. He is the editor-in-chief of Blue Book of Rule of Law, member of the Information Technology Expert Advisory Committee of the Supreme People's Court and the special advisory expert of the Supreme People's Court. Her main research fields are criminal rule of law, positive jurisprudence and judicial system.

Yanbin Lv is the deputy director of Rule of Law Index, CASS, researcher of Institute of Law, CASS, director of  the State of the Law Research Office, executive researcher of the rule of law index innovation project. He is the executive editor of Blue Book of Rule of Law. His main research fields are administrative law, information law and positive jurisprudence.

Part I. General Report.- Part . Systematic Advancement of Openness of Government Affairs Practical Explorations by the Government of Beijing Municipality in Precision.- Part . Systems Relating to the Openness of Government Affairs 30 Years of Local Legislation on Secrecy in China: History,Current Situation and Prospect.- Part . Openness of Government Affairs in Specific Fields.- Part V. Giving Full Play to the Role of the Openness of Government Affairs.