Located at Doushaguan, Yanjin County, Yunchuan Junction, northeastern Yunnan Province, nature's ghost axe and magic cleaved the Xiongguan Heavenly Graben, which locks Yunnan and strangles Shushu. It is the main road for Sichuan to enter Yunnan, and the main pass of Qin and Han Dynasties "Five-foot Road". Because of its thousands of stone on the opposite bank, it was split into two by the Guanhe River, forming a huge stone gate, which locked the main road of ancient Yunnan and Sichuan, so it is also known as "Shimen Gate".