Ran Yan has the pearl after Sui Dynasty. The Empress of Sui Dynasty is a precious jade, and Heshibi is the most important masterpiece of Chinese jewelry and jade culture. In ancient times, there was the Pearl of Sui and Hou Dynasties, He Zhiyu, who was rich enough to reach the country. It can be seen that the value and preciousness of the Emperor after Sui Dynasty. The origin of the Emperor after Sui Dynasty is also legendary. According to legend, on one occasion, when Sui Hou traveled, he met a small snake in the mountain road, which made it difficult to wriggle. Looking forward, it turned out that the snake head was chopped and bleeding profusely.