"Tan Gong Shang" is a chapter in the "Book of Rites", which mainly records etiquette norms, funeral systems, anecdotes of people's words and deeds in the pre-Qin period. By telling various stories, it shows the social style, moral concepts and etiquette traditions of the time, which is of great value to the study of the culture, etiquette system and social life of the Pre-Qin period.
