According to Baidu Education's inquiry, the top students in Beijing Normal University have moderate or even simple difficulty for students with good mathematical foundation. But this book is more difficult for students with weak mathematical foundation. Mathematics Five for Top Students published by Beijing Normal University is a mathematics textbook for outstanding students, aiming at improving students' mathematics literacy and problem-solving ability. Therefore, the topics and explanations in the book are very in-depth, which requires students to have strong mathematical understanding and application ability. If students' math foundation is weak, they need to spend more time and energy to learn and master the contents in the book. Generally speaking, the difficulty of top students in Beijing Normal University depends on their mathematical foundation and understanding ability. If you find it difficult, you can consult your teachers and classmates, strengthen your practice and gradually improve your math level.