The Silk Road is called the Northwest Silk Road, and its basic direction was set in the Han Dynasty, including three routes: South Road, Middle Road and North Road. The ancient tea-horse road originated from the tea-horse exchange between the southwest frontier and the northwest frontier in ancient times, and flourished in Tang and Song Dynasties and Ming and Qing Dynasties. Maritime Silk Road The Maritime Silk Road began in the Qin and Han Dynasties, flourished in the Sui and Tang Dynasties, flourished in the Song and Yuan Dynasties, reached its peak in the early Ming Dynasty, and declined in the middle of the Ming Dynasty due to the maritime ban.
Our country has led the trend of world civilization in history, and this role is played by exporting several trade routes of ancient civilizations. Therefore, it is of great significance not only for ourselves but also for the development of human civilization to study the trade routes in China's history.