It means the hair and skin on the body, that is to say, the whole body is given by parents without any harm, which is the beginning of filial piety to parents.

From the Book of Filial Piety, it belongs to a proverb, and the full text is "the damage to the body and skin, the parents who suffer from it dare not harm it."

A person's body, limbs, hair and skin are all given by his parents and cannot be easily hurt or even destroyed. This is the beginning of filial piety.

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The Book of Filial Piety is a political and ethical work of ancient Han people in China. One of the thirteen Confucian classics. The legend was written by Confucius, but it was suspected that it was written by later generations in the Southern Song Dynasty. In the Qing Dynasty, Ji Yun pointed out in the Catalogue of Sikuquanshu that this book was the last words of Confucius and was written in Qin and Han Dynasties. From the Western Han Dynasty to the Wei, Jin, Southern and Northern Dynasties, there were hundreds of commentators. At present, the more popular versions are Li Longji's Annotation of Emperor Xuanzong of Tang Dynasty and Xing Bing's Annotation of Song Dynasty. The book is divided into 18 chapters. Filial piety is the first chapter of the Book of Filial Piety.