The young man crossed to the Tang Dynasty to make salt, which is the TV series "Biography of the Tang Dynasty". Because the edible salt at that time was bitter and astringent, Wu Yun, a hero who crossed the border of the Tang Dynasty, changed his name to Ye Yun, and used his contemporary professional knowledge to refine refined salt, which eased the taste of salt. Unexpectedly, his behavior surprised the Tang people who were scarce in salt, but it also attracted the attention of the Tubo army and the Tang Shi Shengjun who had declared war on the border. Accidentally involved in courtier Hou Jun to develop a big scam.

"Brick of the Tang Dynasty" has opened a brand-new genre of online drama-agricultural drama, in which there is no rebirth of the big and fiery golden finger. Ye Yun, an actor, transformed his contemporary consciousness and work experience into practical professional skills after crossing back to the Tang Dynasty, and created a beautiful life in line with historical events and realistic logical thinking.

This story uses the efforts of ordinary people to reverse the success story, turn national affairs into irrelevant things, and project the ordinary daily life of the Tang Dynasty. Moreover, there are no simple bad guys in this drama, and everyone's behavior has a sufficient starting point and their own time limit. While attaching importance to historical figures and events, Ye Yun explained the inevitable result and probability of historical time progress with the way of thinking of contemporary people, which is not only aesthetically interesting, but also very popular in historical time.