"Shu", noted by the pulse, is commonly known as "point" and the mouth of the pulse, so everyone calls the famous doctor "Shu". In ancient times, "Shu" and "Yu" were interlinked, and the latter was written as Yu. According to legend, among the descendants, it is the classic medical skill of the ancestors of Everbright, and it is often called surname, and then simplified to single surname Yu.
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The original source of ancient surnames in China is primitive religious worship, totem worship and ancestor worship based on "Heaven". The so-called "heaven" is the law that everything has. Primitive totem worship is the root of China's ancient surnames. A large number of ancient documents and totem beliefs preserved by modern ethnic minorities support this view. ?
Descendants from the same ancestor are called clans. Surnames originate from the names of tribes or tribal leaders. Its main function is to distinguish the descendants of different clans in the tribe and facilitate intermarriage between different clans. Therefore, the appearance of surnames marks the change from group marriage system to consanguineous marriage system, which is an important milestone in the progress of human civilization.
Surnames are passed down from generation to generation, which is generally stable, while surnames change with the changes of feudal cities and official positions, so there will be several surnames in one's descendants or different surnames between father and son. Last name and first name together form a person's first name. "Surname, unified his ancestors from the exam; The surname is not divided by his descendants. " The surname is a racial number, and the surname is a branch of the surname. Since the Qin and Han Dynasties, surnames began to merge.
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