Surname, unified ancestral home; Historical people are not divided by their descendants; The surname is also a symbol of family blood. According to textual research, the ancient surname of China originated from totem worship and was a clan emblem or symbol. The original source of ancient surnames in China is primitive religious worship, totem worship and ancestor worship based on "Heaven". Primitive totem worship is the root of China's ancient surnames. A large number of ancient documents support this view.