According to the general views, after the mid-Tang Dynasty, along with the prosperity of the Sea Silk Road, the Land Silk
Road in northwest of China, a passageway which had played an important role in historical contacting with other countries, gradually
declined and faded out from people's sight. Most silk road related works and articles didn't go to the further discussion about the Land
Silk Road in northwest of China in Qing Dynasty. Actually, because of the Land Silk Road in northwest of China, the cultural exchange
between central plains and minority frontier areas in northwest of China was more influential than all previous periods. The cultural
exchange in toponym, drama, belief and language influenced most of the people at that time, it shows that the Land Silk Road in
northwest of China was prosperous in Qing dynasty.