1. High language difficulty: Russian is a language with complicated spelling, strict grammar rules and large vocabulary, which is more difficult for non-native speakers and requires more time and energy to learn.
2. Subject comprehensiveness: The postgraduate entrance examination of Russian curriculum and teaching theory is a comprehensive subject, which requires knowledge of linguistics, pedagogy, culturology and other disciplines, and requires candidates to have extensive knowledge reserves.
3. Difficult topic: The topic of Russian course and teaching theory postgraduate entrance examination is difficult, which requires candidates to have high language understanding and thinking ability, and be able to quickly and accurately understand the meaning of the topic, grasp the key points and conduct in-depth analysis.