It is more difficult. According to the 2023 Henan college entrance examination, the 2023 Henan college entrance examination uses the national B volume. Although the content of the exam is very basic, the topic is very innovative, and liberal arts mathematics is more difficult. Mathematics subjects mainly carry out basic problems such as number theory, algebra, geometry, analysis, topology, equations, probability, mathematical physics, and research on application directions such as statistics, mathematical modeling and scientific calculation.