In the fiftieth year of Kangxi's reign, Niu Hulu of Fujian Province gave birth to twins to Prince Yong Yinzhen in the mansion of Heshuo Prince Yong. The protagonist of this article is the story of the family relationship between Prince Yong's fourth son Aixinjueluo Hongli and his biological sister Aixinjueluo Jieming. This article will involve the nine kings' succession. The love between the protagonist Aixinjueluo Hongli and the Fucha family