1. Prejudice and discrimination: There are some racial discrimination, gender discrimination and religious prejudice in western classical literature, which reflect the social values and concepts at that time, but they have been widely criticized and opposed in modern society.
2. Cultural estrangement: Due to the great differences in the era and cultural background between western classical literature and modern society, it is sometimes difficult for readers to understand the cultural connotation and background, and even lead to misunderstandings.
3. Language expression: The language and expression used in western classical literature are different from those used in modern society to some extent, sometimes it is difficult to understand and needs special researchers or translators to interpret.