The national jade or the king of jade is just people's worship of jade, just a kind of psychology. Those who like jade say that jade is a national jade, and those who like Hetian jade say that Hetian jade is a national jade. At different times, it was also influenced by the royal family. In the Qing dynasty, the royal family loved to use jade. At that time, people also said that jade was the king of jade and the national jade.