Books on the comparison of Chinese and foreign social systems can refer to the following examples: 1 A brief history of China's political system-Xia Linmao, professor of political science at Peking University 2 History of Western Political Systems-Robert Dahl, Professor of Political Science at Harvard University 3 "Social System and Social Change"-Francesco Benigno, Professor of Psychology at the University of Milan, Italy 4 History of the Changes of International Political Systems-James McClay, Professor of International Political Science at the University of Oxford 5. Comparing Political Systems by Michael Brown, Professor of Political Science at the University of Melbourne, Australia These books are authoritative textbooks on social system comparison, which can help readers understand the characteristics of social systems in different countries or regions, as well as their differences in politics, society, culture, and so on.