It is difficult to take the postgraduate entrance examination for history. The content of the history postgraduate entrance examination includes many aspects, such as historical theory, Chinese and foreign history, historical documents, etc., which covers a wide range and requires candidates to have a solid basic knowledge and a wide range of knowledge. The examination of the major course of history postgraduate entrance examination pays more attention to the research ability and thinking ability of candidates, and requires candidates to have higher independent thinking and problem-solving ability. History is a discipline covering time, place, people and events, aiming at recording and explaining the evolution of human society. Its main research objects include the past, culture, social structure, political system and economic situation. By studying these aspects, we can better understand the development and changes of human society. The research scope of history is very extensive, which can involve various periods and regions, from ancient civilization to modern society, from Europe to Asia, Africa, America and so on.