State history, family history. Records of China's 5,000-year history of civilization are voluminous historical books, such as the Twenty-Four History, as well as family history and family history, that is, many He genealogies. People surnamed He have been aiming at this for generations, pursuing and practicing tirelessly, and striving to reach the highest level. Genealogy, as a summary of the history of He family and a harbinger of the future, fully embodies the thoughts of loyalty, filial piety and benevolence. Anyone who regards music as life has always attached importance to those who fix music. China's earliest genealogy is Shiben, which records the surnames and lineages of doctors and capitals in Pu Hou from the Yellow Emperor to the Spring and Autumn Period. Then there are earlier genealogies, such as Yu Pu and Zhi Shi. Wei, Jin, Southern and Northern Dynasties were the era of aristocratic rule, which paid attention to family status and blood relationship. An official should have a family background, and so should a family. Those who come out will collect a book to check their ranks, while those who go will check their genealogy to distinguish their branches. The government has a spectrum bureau that specializes in managing spectrum. From the Sui and Tang Dynasties to the Song Dynasty, the advocacy and development of Confucianism, with the prosperity and upsurge of genealogy, became a social atmosphere and cultural tradition.