1. fierce competition: the ratio of the number of applicants to the number of places enrolled in different majors will affect the degree of competition in the exam. Some popular majors will be more competitive, so the exam will be relatively difficult.
2. Professional requirements: The examination subjects and contents of different majors will also affect the difficulty.
3. Personal preparation: Personal learning foundation, review time, review methods and other factors will also have an impact on the difficulty of the exam. Adequate preparation and scientific review plan can improve the success rate of candidates.