The aunt crown is the crown system of the Mongolian people in the Yuan Dynasty. The Mongolian Khanate/wood, birch bark/brocade/height 34 cm, base diameter 9 cm/Jingzhou, Siziwang Banner, Ulanqab City, Inner Mongolia, Yuan Dynasty Unearthed from the ancient city of Lu. Gu Gu Guan is also called Gu Gu, Gu Gu, Gu Gu, Jiao Gu, Jiao Gu, etc. "Gu Gu Guan" is actually the Chinese transliteration of the Mongolian "women's headdress". In fact, there are four definitions of aunt in Chinese dictionaries. This word is not only "a respectful name for the father's sister", it also means "women"; "crown" means hat. In fact, the above all refer to the same thing, that is, a kind of headdress for Mongolian women in the Yuan Dynasty. It is a tall and long hat, which is called "" in Mongolian.