This book mainly includes three aspects. The first is the research on the spread of Marxism in China, mainly discussing Li Dazhao's early thoughts, the acceptance and dissemination of Marxist thought, and the basic characteristics of Mao Zedong Thought. The second is the thinking on the basic theory of philosophy, mainly discussing: the psychological function of human cognitive activities, the nature of values and the organic composition of reasonable values, the rational characteristics and construction of reasonable philosophy, and the basic problems of survivalist philosophy. The third is the study of ancient Chinese philosophy, mainly focusing on: the internal logic of the existence and development of ancient Chinese philosophy, the characteristics of the ontological concept of ancient Chinese philosophy, the development of philosophy in the context of Chinese philosophy, and the philosophical research of Lu Jiuyuan and Wang Yangming.