From the novel, we can feel the prosperity and wealth of the Tang Dynasty, and Chang 'an is described as a prosperous city. The novel describes the wide roads, busy markets, busy streets, magnificent palaces, temples and city walls in Chang 'an. The gorgeous costumes worn by the characters and the prosperity of food culture also reflect the heyday of the Tang Dynasty.
In addition, the novel also shows the cultural prosperity and scientific and technological progress in the Tang Dynasty. The book describes in detail the artistic forms of literati, poetry and songs, music and dance in the Tang Dynasty, as well as the development of medicine, science and technology and agriculture.
On the whole, according to the content described in Three Wan Li in Chang 'an, the weather of Datang is prosperous, rich and culturally prosperous. For most people, this description may be in line with their imagination of the Tang Dynasty.