The Great Wall of Shandan Hanming, known as the "Great Wall Open Air Museum", is an important preservation section of the ancient Great Wall site, one of China's famous world cultural sites, and gradually attracted world attention. The Great Wall of Shandan County is divided into two categories: the Great Wall of Han and the Great Wall of Ming. The Hanming Great Wall is nearly 200 kilometers from east to west in Shandan County, extending parallelly. Among them, the Ming Great Wall was built in Jiajing Wanli, with loess or yellow sand soil plate built of walls, piers, barricades, the whole process of 282.7 kilometers, existing 98.5 kilometers, is the most complete preservation of the Great Wall in China so far. Han Dynasty began to build in the time of the Emperor of Han Wu (121 AD), with trenches instead of walls, and built on the wall, about 100 kilometers long, more than 10 kilometers existing. The Great Wall of Han is on the north side of the Ming Great Wall, about 10-80 meters away. Such different historical periods are built and parallel at the same time, and there is no one in China that has retained a relatively complete Great Wall section. When you feel confused, you can come here, when the car in the desert, there is only a straight road and the Great Wall by the road to the sky, here life is not confused, you only need to bravely go forward, wave to the clouds behind you, the corner of your mouth a little smile, Not taking away a trace of sentimentality. The Great Wall of Hanming is a monument to architecture in different historical eras, and proper protection is a link between past monuments, reality and future.