The first emperor followed the historical trend, destroyed six countries, unified China, and ended the long feudal scuffle, which was in line with the wishes of the broad masses of people. He established a centralized monarchy and unified writing, currency, weights and measures. , consolidated the unity, promoted the economic and cultural exchanges between ethnic groups in various regions, and had a far-reaching impact on future generations; He expanded his territory through the unified war, making the Qin Dynasty the first unified and centralized feudal country in the history of China. The above shows that Qin Shihuang was an emperor who made great contributions to the history of our country and had great influence. But he was also a cruel feudal emperor. He built a large number of palaces and tombs, which wasted a lot of manpower, material resources and financial resources and affected people's normal production and life. He also enacted a cruel criminal law, which made people live in dire straits; He burned books to bury Confucianism, stifled ideas and destroyed culture.