With the prosperity of the Tang Dynasty, people had the conditions to eat and wear warm clothes and keep healthy and plump physique. Its powerful national strength and developed civilization have made the people of the Tang Dynasty full of self-confidence and become a highly open country. Influenced and blended by different cultures, people in the Tang Dynasty did not stick to the traditional concept of thinness as beauty.
The lineage of the rulers also determined that the Tang people were closer to a strong body. The grandfather of Li Yuan, the founding emperor of the Tang Dynasty, was a Xianbei nationality, and the nomadic people of Xianbei nationality created a strong body. Therefore, the choice of concubines in the Tang Dynasty is to gain weight first and then gain weight, which makes people's pursuit of fat reasonable.