Most of the topics discussed in this book belong to the military and political categories, involving China's military thought, war concepts, military institutions and officials, comparison of military systems in different historical periods, palace guards, reward system, border defense management, military management and control of generals, military decision-making, military system reform, military merit groups, military law and discipline, regional militia, city defense, military activities, Southern Song Dynasty's anti-golden figures, images of generals in paintings, and observations on the protection and utilization of ancient fortress heritage. In addition, there are several articles discussing issues such as prime ministers and assistants, abdication, governance, litigation, and family figures in the Song Dynasty. Although they are not directly related to the military, they also reflect the characteristics of the political background at that time.