First, his son Li Hong is the best heir to the throne. Originally, Li Hong, the eldest son of Wu Zetian, was the best heir, because he was the son of Tang Gaozong, and Tang Gaozong had high hopes for him. The Prince is very sympathetic to the people's feelings and has repeatedly asked Tang Gaozong to adapt laws for the people and take on the main responsibility of supervising the country. Wu Zetian was originally a good helper in Li Zhi's politics, but as Li Hong gradually came to power, Wu Zetian was threatened. Many people in history suspect that Wu Zetian killed his son, but it is also possible that Li Hong was young and weak and died young. Although Li Hongzhang's death deeply hit Tang Gaozong, he soon made his sixth son a prince in order to stabilize state affairs.
Second, Li Xian, a stumbling block to the throne, is also excellent, but that's all. Mother and son were jealous of each other, and finally Li Xian became the victim of Wu Zetian's political struggle. Later, Li Xian, the third son of Wu Zetian, was made a prince, while Li Xian was incompetent. After he succeeded to the throne, the power of political affairs was firmly in the hands of Wu Zetian. Later, Li Xian angered Wu Zetian and made his fourth son Li Dan emperor, and he also began his puppet emperor career.
Thirdly, in order to improve her position, Wu Zetian took many measures, which were opposed by the children of the Li family. Wu Zetian took tough measures against them. Even if someone rebelled against Wu Zetian in the process of dispatching troops, Wu Zetian began to expose her cruel means.
Finally, I personally directed a play: Wuhou was reincarnated as Maitreya, and the contemporary Tang Dynasty was the son of heaven.
Finally, Wu Zetian succeeded to the throne in the voice of many people and fulfilled her long-cherished wish.