This book is compiled according to the spirit of the important speech of the Fourth Plenary Session of the Nineteenth Central Committee of the Communist Party of China. With a clear logical framework and easy-to-understand language, it expounds and interprets the thirteen significant advantages of my countrys national system and national governance system , and pointed out that upholding, consolidating, improving and developing the socialist institutional system with Chinese characteristics and the national governance system have profound theoretical, practical and global significance, will vigorously promote the development of socialism with Chinese characteristics, and actively lead the development of contemporary China and the Chinese nation. Move forward steadily and make Chinese contributions to the development of human institutional civilization.