During the reign of Emperor Taizong of the Qing dynasty, he was heavily relied on. He participated in the decision-making of the strategy to attack the Ming dynasty, instigate the Ming dynasty officials, attack North Korea, pacify Mongolia and the construction of the national system.
It could be said that the reason why the Qing dynasty could replace the Ming dynasty was mainly because of Fan Wencheng's advice. He contacted the aristocratic families of the Central Plains, promised them benefits, and opened up a trade route. He continued to grow, slowly encroached on the dynasty, and finally replaced the Ming dynasty.
His methods and methods were vicious.
Since the Han brothers joined the Qing dynasty, they had been scheming against others.