"A clever woman can't cook without rice" is a story written for the article, which explains Zhuang Zhou's "way of keeping in good health", but its objective significance far exceeds Zhuang Zhou's subjective intention of writing this fable. Zhuangzi wrote the fable "Know how to treat cows", originally intended to explain the way of keeping in good health. Zhuangzi believes that society is full of complex contradictions, and people live in contradictory struggles and are vulnerable. If you want to save yourself, you have to avoid "superior skills" and "masterpieces" just to find a gap, that is, to avoid contradictions and seek personal survival by escaping from reality. This negative outlook on life should be criticized. But as far as the story itself is concerned, it objectively expounds that although things are complicated, they have their inherent laws; Through long-term practice, I am good at thinking, understanding and mastering the law, so as to give full play to my subjective initiative and gain freedom of action.