In the long river of history, the Tang Dynasty carried the national identity and cultural vision of the Chinese people in a considerable sense. It was an era of rich things, heavenly treasures and outstanding people. However, this era that is so important to us has left few traces. , The luxurious buildings recorded in the history books are buried in the billowing dust along with the history, and even what is left is fragmented. We can only outline a vague outline in the traces of history.