The characteristics of the Tang Dynasty are opening to the outside world, ethnic integration, highly prosperous cultural exchanges and frequent foreign exchanges. . This active foreign policy has brought about the integration of all ethnic groups, the mutual penetration of foreign cultures and China cultures, and the spread of China's advanced technology to foreign countries, thus promoting the development of all countries in the world.

Foreign exchange was also implemented at the beginning of next year. Zheng He's seven voyages to the Western Seas opened up the Maritime Silk Road to Europe, which gave birth to the seeds of early capitalism in China.