Wei Zifu died of witchcraft.
The wise Emperor Wu of the Han Dynasty became increasingly poor in his later years. Like all great men in their later years, he became suspicious and always felt that someone in the palace was bewitching him and cursing him. So he sent Jiang Chong, the palace equivalent of the head of the secret police, to investigate.
Jiang Chong claimed to have found a wizard who could break the poison, and said that the master discovered that there was poison in the prince's womb. Jiang Chong led people to search the prince's palace and found the puppet buried underground. Both Prince Liu Zhi and Queen Wei Zifu knew that Jiang Chong had plotted against them, but they couldn't explain it. With the support of his mother Wei Zifu, Liu Zheng killed Jiang Chong in desperation, and then gathered the armed forces from the Tai Palace and the Queen's Palace to prepare to send troops to protect himself.
Emperor Wu, who lived outside the Ganquan Palace, was shocked when he heard the news. He first sent people to Chang'an to appease the prince, but the visitor returned without even entering the city and reported falsely that the prince had rebelled. Emperor Wu was furious and sent troops to quell the rebellion. Prince Liu Zheng was no match for his father, and the officials, defenders and even the people in Chang'an City did not support him. The prince, who was attacked from both sides, had no choice but to flee from the city.
Wei Zifu had always stood by her son in this incident, but she did not flee with her son. When Emperor Wu Liu Che was settling the matter after the incident, he sent ministers to collect Wei Zifu's seal ribbon just like he did with Gillian, thus deposing her. Although her husband did not want to kill her, Wei Zifu also understood what the end of a deposed woman would be like.
So, Wei Zifu, whose situation was over, hanged himself in the palace, and finally did not have a happy ending.
Extended information:
Main achievements of Wei Zifu:
Wei Zifu entered the Han Palace as a humble scholar and became queen after eleven years , gave birth to a son and three daughters for Emperor Wu of the Han Dynasty, and contributed to the continuation of the Han Dynasty. After the death of Prince Liu Ju, Emperor Zhao had no heirs, and the heirs to the throne passed through the ranks and returned to the descendants of Wei Zifu. The great-grandson Liu Xun lived up to his ancestors, "the merits of his ancestors are passed down to his heirs," and he ushered in a new era of "filial piety, propaganda and resurgence" for the Han Dynasty. ?
During the thirty-eight years since he became queen, Wei Zifu managed the Hanting harem in an orderly manner. During these thirty-eight years, there were no jealous women in the Han Palace recorded in historical records, and there were no bad incidents caused by jealous concubines. Wei Zifu's good conduct not only won the full trust of Emperor Wu of the Han Dynasty, but also won the only praise from Taishi Ling Sima Qian among the more than ten concubines from the four dynasties recorded in "The Family". Although Wei Zifu did not have the merit of assisting the emperor, he had a virtuous inner support.
Baidu Encyclopedia-Wei Zifu