中共党史学科研究的对象是中国共产党产生、发展、斗争的全过程。这个全过程涉及社会的各个方面。它的社会前提是阶级社会历史。人的实践运动、人的思想心理等是历史研究的对象，也是党史研究的对象。因为阶级社会里的人划分为阶级，入从事的各种政治、经济、文化、军事等的活 The object of the study of the history of the Chinese Communist Party is the whole process of the emergence, development and struggle of the Communist Party of China. This whole process involves all aspects of society. Its social prerequisite is class social history. People’s practice movement, human psychology is the object of historical research, but also the object of the study of the history of the party. Because people in a class society are divided into classes and engaged in various political, economic, cultural, military and other activities