Moral criticism itself exists in literary criticism not only as a standard, but also as a method, which is a way to judge the value of works. But throughout the ages, people's understanding of moral criticism has not been unified. Moral criticism still has its legitimacy in theory.

One view is that literary works are aesthetic beyond utility, which is contrary to the practical value of morality.

Another view is that literary works are aesthetic beyond utility, which is contrary to the practical value of morality.