1, the ancient emperor's cave with pepper wall, because the pepper and red-hot, inside and many children, but also sterilization. So the pepper room became the name of the ancient harem, this statement originated in the Western Han Dynasty.

2, pepper room of pepper, refers to pepper, not red pepper. The name of pepper, the first written record is in the Book of Songs.

3, pepper room, began in the Western Han Dynasty, is the name of the Queen of the Western Han Dynasty Weiyang Palace Palace, also known as "pepper room". This is the Han dynasty empress of the palace.

4, "Han Shu - Che Qianqiu biography" Yan Shigu note: "Pepper room hall name, the Queen also lives, to pepper and mud coating the wall, take its warm and fragrant."

5, named after the pepper and mud painted walls, the walls are painted with powder made from the flowers of the pepper tree, to take the meaning of warm, fragrant, and fruitful, so the name "pepper room".