Ming Chengzu Zhu Di gave birth to four sons in his lifetime, one of which died prematurely in his early years, so only zhu Gaozi, Zhu Gaoxu, Zhu Gaoxuan survived, and Zhu Di's three sons were all born to Empress Xu, who was the third daughter of Xu Da, the founding general of the Ming Dynasty.

In 1425 AD, the Hongxi Emperor Zhu Gaozi died, from the upper throne to the death, only less than 10 months, Zhu Gaozi's throne was not easy to come by, all because he was too obese, so he was not liked by his father Zhu Di, on the issue of choosing an heir, Zhu Di, who had always been decisive, hesitated, but finally chose zhu Gaozi, the eldest son.
Zhu Gaoxu may really not have the emperor's order, just inherited the throne, just 9 months to drive the crane west, at the beginning Zhu Di was afraid that he was too fat to live long, and the truth is true, it is reasonable to say that he died, the throne should pass to his eldest son Zhu Zhanji, but as Zhu Di's second son Zhu Gaoxu has long had ambitions for the throne, when Zhu Di was still alive, he wanted to harm the eldest brother several times to replace him, Zhu Di wanted to kill him, and finally Zhu Gaozi interceded, and Zhu Di was not allowed to send him to a very far place.
However, as soon as Zhu Gaoxu died, Zhu Gaoxu's wolf ambitions were revealed, he wanted to kill his nephew to replace him, Zhu Gaoxu felt that the throne should have been his, he did not expect to let this bloated and a little disabled brother snatched the past, and now seeing that he is not ok, and another competitor, nephew Zhu Zhanji, really makes him upset! However, the conspirator Zhu Gaoxu learned the lesson of the last time he competed for the throne, this time he strengthened his intelligence work, arranged a lot of eyeliner to keep an eye on Zhu Gaozi at all times, and paid attention to his every move; as soon as Zhu Gaoxu's eyes were closed, he immediately laid an ambush on the road back from Zhu Zhanji, and when Zhu Zhanji passed by, he immediately took action and then took the opportunity to ascend to the throne.
He was ready for everything, everything was ready, only the East Wind was owed, he waited for his nephew to enter Beijing, he came to catch the turtle in an urn, he caught and killed his nephew, but he waited for the left and right to wait for the eyes to penetrate, that is, he could not wait for the nephew, was the situation changed? At this time, Zhu Gaoxu was playing drums in his heart, he felt that someone must have revealed the news, and his nephew was guarding against him, but he waited for a news that made him more heartbroken, the nephew had already taken the first step, and now he had ascended to the throne, and now Zhu Gaoxu had no other way but to beat his chest.
He knew that his death was approaching, and his nephew did not have good fruit to eat as soon as he inherited the throne, but he still expected things to turn around and let go, even if he knew that his nephew Zhu Zhanji was more ruthless than him, and directly grabbed him and put him in the oil pot, which was unbearable to see.