In the past dynasties of Chinese emperors, due to the differences in politics, economy, culture and other aspects of each dynasty, the evaluation of which emperor was the most accomplished was also different. However, generally speaking, some emperors in ancient China had made remarkable achievements in governing the country. 1 Tang Taizong Li Shimin: The second emperor of the Tang Dynasty was known as the "one emperor in history". He had made great achievements in politics, military, culture and other aspects. He implemented a series of policies that were conducive to national development and national progress. 2 Song Taizu Zhao Kuangyin: The first emperor of the Song Dynasty. He took a series of important measures in the process of establishing the Song Dynasty, such as weakening the power of the generals and promoting the "rule of the country by literature", which made the Song Dynasty stable for a long time. Zhu Yuanzhang, the first emperor of the Ming Dynasty, took a series of effective measures in the process of establishing the Ming Dynasty, such as weakening the power of eunuchs and strengthening the central power, which made the Ming Dynasty develop rapidly. The second emperor of the Qing Dynasty. He played an important role in the establishment and development of the Qing Dynasty. He implemented a series of policies that were conducive to the unification of the country, allowing the Qing Dynasty to be stable for a long time. Of course, these were only some representative emperors and not all emperors. Every emperor had his own unique historical background and contributions. Therefore, to evaluate whether an emperor was the most successful or not, one needed to consider his political, economic, and cultural achievements.