The difficulty is moderate. In 2023, the difficulty of Mathematics II in the senior high school entrance examination was moderate, and the topic was novel and challenging. Different candidates will have different views on the specific difficulty evaluation, and everyone's learning background and experience are different.

In fact, in 2023, the difficulty of the entrance examination of Math II is slightly lower than that of Math I and Math III. Doesn't mean that the topic of Math II is easy. On the contrary, candidates are required to have a solid mathematical foundation and problem-solving skills. For candidates, the key is to master basic knowledge, improve problem-solving skills, and make full review and preparation.