Henan was the core area of the Central Plains in ancient times. It has always been a battleground for military strategists. The ancient cities and ancient capitals built in this province are numerous, except for the famous famous cities such as Luoyang City, Kaifeng and Anyang City. There is a Shangqiu ancient city. The history of Shangqiu Ancient City can be traced back to more than 4,500 years ago, but the existing city is preserved on the basis of the returning to the capital of the Ming Dynasty in the 16th year of Hongzhi. In different periods, the size and location of the ancient city of Shangqiu are not the same. Surprisingly, there are many dynasty towns underneath the existing ancient city. Most of these cities are destroyed by war, but they are buried in the ground. Underneath is the Yellow River flood. According to records, buried in the ground, including the Yuan Dynasty built in the Yuan Dynasty, the Northern Song Dynasty, the capital of the capital of Nanjing, the Song Dynasty in the Sui and Tang Dynasties, the Song Dynasty in Song and Song Dynasties, and the Liang Guoguo in the Qin and Han Dynasties, and other six capitals. . Today, the Yellow River has been diverted, and the Yellow River flood has been effectively treated. The flooding has caused the city to cease to exist. However, the past history reminds people to protect the environment and cherish the current living environment. Today, the ancient city of Shangqiu does not see the prosperity of the past, but the majestic wall is still telling the glory of yesterday. From the data point of view, Shangqiu Ancient City is the only existing ancient city site in the world that integrates Bagua City, Shuicheng City and Chenghuang City.