This book is written by Ma Yong, a modern history researcher at the Chinese Academy of Social Sciences and a well-known historian, focusing on the political situation in the 38 years of the Republic of China. The author explores the power changes, interest games and historical causes and effects behind the changes in the Republic of China from multiple angles such as characters, trends of thought, and events, and answers core questions such as "Who was the real master of the Republic of China?" And "What kind of blood and tears were involved in the political changes?" The book is supported by profound academic foundation and the language is easy to understand. It breaks away from the boring and rigid traditional historical readings and leads readers to retell the great changes in the history of the Republic of China and feel the changes in the tide of the times.