The historical fantasy novel "Travel to the Tang Dynasty" tells the story of Lin Yu, a top student in the history department, who accidentally traveled to the Tang Dynasty where Wude was four years old. Entering a strange era for the first time, he relied on his solid historical knowledge to make a living by setting up a stall in Qingping Town to "know the past and present", and gradually became famous. But the challenges brought by time travel have just begun. Let's see how he writes a legend in this ancient dynasty.