Yan Guanzhen, which belongs to Haining City, Jiaxing City, Zhejiang Province, is the best tidal scenic spot in Qiantang River. The town covers a total area of 56.02 square kilometers, governs 17 administrative villages and 4 communities, with a total population of more than 50,000. Yan Guan, Haining is a famous historical and cultural city in China and a national AAAA-level tourist attraction. During the Western Han Dynasty 2200 years ago, Liu Bi of Wu Wang set up a salt official here, and Haining prefecture (county) ruled this land by official name. Yan Guan, which combines natural wonders and human wonders, is famous for its long history, splendid folk culture, moving folk customs and spectacular tidal bore in Haining. From the Great Wall of Hanhai to Zhenhai Ancient Pagoda, from the Millennium Temple to the Royal Garden, from the Prime Minister's Mansion to the Temple of the Sea, there is a close relationship with the royal family, which is remote and mysterious, and there is a royal atmosphere everywhere.