The Han dynasty (202BC—220AD) was the first peak of China's feudal society, and it was an important stage in the long history of Chinese civilization. With both economy and culture developing rapidly during this period, the Han dynasty laid a solid foundation for the development of politics, economy, culture, national territory, and many other fields. During the Han dynasty, the Silk Road which made outstanding contributions to cultural exchanges between China and foreign countries was officially opened. In this period, the Chinese nation had a very far-reaching influence on the development of world civilization. The Tang dynasty (618—907AD) was the most prosperous period of development in ancient China. With Chang'an as the capital, the Tang dynasty became the most open and prosperous country in the world. In this period, the politics, economy, and culture all reached unprecedented prosperity, and the various social systems laid a solid foundation for the development of China's feudal society. With the opening of the Maritime Silk Road and the traditional ones, the economic and cultural exchanges between China and foreign countries enjoyed unprecedented prosperity. The Tang dynasty forged the most brilliant chapter of China's feudal society.