Through the studies on new China’s history of departmental laws, including the constitutional history, the history of administrative law, the history of civil law, the history of criminal law, the history of commercial law, the history of procedural law, the history of intellectual property law, the history of labor and social security law, the history of law concerning foreign affairs etc., this book has displayed comprehensively China’s achievements in the building of the legal system for 60 years, and unveils the direction of development and consummation for the future. The chronicle of legal events of the People's Republic of China is attached at the end of the book. This book is the first domestic legal history of the People's Republic of China which authoritative legal historians take the lead compiling, and has high academic value and vital practical significance.