Introduction to Sai Dianchi·Fansiding: Saidianchi·Fansiding (1211-1279), whose full name is Saidianchi·Fansiding Umar, was a Hui Hui native of the Yuan Dynasty and a famous politician. Zheng He, the navigator of the Ming Dynasty, was his sixth descendant. During his lifetime political activities, he especially made significant contributions to the social, economic and cultural construction of Yunnan. After his death, Kublai Khan posthumously awarded Sai Dianchi the title of "King of Shangzhu Kingdom and Xianyang" to commemorate his great achievements.