The palace of Kun Ning is the cream of ancient Chinese palace architecture. It belongs to one of the three rear palaces of the Imperial Palace in Beijing and is located behind the Jiaotai Palace. The name of Kunning Palace comes from the original text of "Tao Te Jing" - "the one who got it in the past, the one who got it in the Qing Dynasty, the one who got it in the Qing Dynasty, the one who got it in the Ning Dynasty, the one who got it from God, the one who got it in the Spirit Dynasty, the one who got it in the valley, the one who got everything in the life, the Hou Wang got it In ancient times, the position of the empress is the most noble of all women in the world, the emperor is the heaven, the empress is the earth, the emperor is the Qian, the empress is the Kun, and the queen is the only one in the world. The queen's palace is taken from the moral sutra, Kun De Yi Ning is the sentence, the Forbidden Kun Ning Palace is the same as Tian De Qing Palace, and the emperor's palace is the Qian Qing Palace. Kunning Palace was built in Yongle 18 years (1420), Zhengde 9 years (1514), Wanli 24 years (1596) twice destroyed by fire, Wanli 33 years (1605) reconstruction. The Qing Dynasty was reconstructed in the second year of Shunzhi (1645), and the Qingning Palace in Shenyang was reconstructed in the twelfth year of Shunzhi (1655). In the second year of Jiaqing (1797), the Qianqing Palace caught fire and burned the front eaves of the palace. It was rebuilt in the third year of Jiaqing (1798). Qianqing Palace represents positive, Kunning Palace represents negative, to express the combination of yin and yang, heaven and earth.