In fact, all doctoral programs have professional reference books required for this. You should study and master these prescribed reference books carefully before the exam. But in addition, you must master the system theory knowledge of this major. In order to do this, we can focus on the following professional books: 1, Marxist philosophy (choose authoritative; It is best organized by the Ministry of Education); 2, "Marxist Political Economy" (choose more authoritative; It is best organized by the Ministry of Education); 3. An introduction to the China of Marxism is also called an introduction to Mao Zedong Thought, Deng Xiaoping Theory and Theory of Three Represents's thoughts (choose authority; It is best organized by the Ministry of Education); 4. Theory and practice of scientific socialism (authoritative); 5, "Ideological and Political Education" (choose more authoritative; It is best organized by the Ministry of Education); 6. The history of China's ideological and political education (authoritative); 7. The history of Marxist development (choosing authority); 8. History of China (authoritative); 9. Selected readings of Marxist original works (the choice is more authoritative). Of course, applying for different schools and different professional directions will have different requirements, but the above are required reading for applying for doctoral students majoring in Marxist principles or ideological and political education. For your reference! Remember: as long as you have time, you will get what you want!