Related plot: Lu Xun hates cats (because cats will play with their prey when they prey, which he hates; In addition, cats belong to the liger ethnic group, but there are some coquetry; The main reason is that the cat ate the mouse he hid.

This essay first retaliates against the "modern critics" for slandering the author "hate cats" and exposes their despicable means. Then the author explains the proximate cause of his "hating cats" and describes the main characteristics of "cats". Then, by tracing back to childhood, the reason of "hating cats" is explained. Finally, it criticizes the "golden mean" and points out that its essence is to abuse evil and support rape.

On the surface, the author hates cats, but in fact he lashed a class of people who have similar habits with cats, such as some "gentlemen" in society at that time and accomplices of warlords and rulers.