The mausoleum is the imperial mausoleum of Li Dan, Emperor Ruizong of the Tang Dynasty (618-907), as well as Queen Liu and Queen Dou. Emperor Ruizong was buried in 716 with his third son; his second daughter was buried alive with him.

The square-shaped mausoleum spans across 2,871 meters from east to west and 2,836 meters from south to north, covering 852 square meters. There are gates on all four sides and towers at the four corners of the mausoleum. The mausoleum relics can be clearly recognized. In front of the mausoleum gates are over 50 stone carvings, including stone men, horses, lions, unicorns and pillars. With their excellent carving techniques, the carvings are the representatives of the stone carvings of the Tang Dynasty. Memorial tablets belonging to the princesses can also be found in the mausoleum.