Introduction to the Qinglong Temple Ruins Reserve in the Sui and Tang Dynasties: The predecessor of the Qinglong Temple was built in the second year of Emperor Wen of the Sui Dynasty, Yang Jian. After the first year of Yuanyou in the Northern Song Dynasty (1086), the temple was destroyed, with no buildings on the ground and temple ruins. Buried underground. In 1973, Chinese archaeologists excavated the Qinglong Temple ruins and achieved fruitful results.