Yongle period of Ming dynasty (about 1403 to 1424). According to relevant data, Xia Zi Palace in Guniu Mountain in Dongchuan was built in Yongle period of Ming Dynasty (about 1403- 1424), with a history of nearly 600 years. Xia Zi Palace is located in niujie Village, Niujie Town, Dongchuan District, Kunming. It is one of the famous Taoist temples in China and a key cultural relic protection unit in Yunnan Province.