Zhao surname: "Hundred Family Names" is the first, and the surname of Song Dynasty is Guo. Song Zhao Dynasty was the most aristocratic Han Dynasty, and its economic, cultural, scientific and artistic prosperity reached the peak of China feudal society, with a population of over 1 100 million. Moreover, Zhao and Song dynasties gave preferential treatment to the literati, and famous officials and masters came forth in large numbers. Taizu initiated the social atmosphere of tolerance and friendship by "venting troops with a glass of wine", which made the founding heroes die a fair death, shared the hereditary Rong Lu with Zhao, and won the hearts and minds of scholars all over the world.