The number of crowns varies according to the severity of the ceremony and the identity of the wearer. According to the severity of the ceremony, the crown of the emperor's sacrifice to God and the crown of the emperor's gift are12; According to the user status, only Tian Zi Crown used 12 pieces, and each piece penetrated 12 pieces of jade.
People with high status can wear clothes below the regulations, while people with low status are not allowed to wear clothes above the regulations offside, otherwise they will be punished. The son of heaven is twelve, and the princes of Zhou Dynasty are divided into nine, seven and five. However, it was gradually limited to emperors, so "crown" became synonymous with emperors.
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Throughout the ages, coronation has been the highest etiquette. After Zhu Yuanzhang proclaimed himself emperor, he even emphasized "restoring the dignity of Han officials". The Zhu dynasty lasted for 276 years, and the lofty status of the crown was maintained for 276 years. It was not until Ai Xinjue Roche entered the Central Plains that the crown system was abolished.
So far, there are only two pendants as cultural relics in China. One piece, collected in the Museum of Chinese History, is the crown of an antique coronation suit worn by Yuan Shikai when he was proclaimed emperor in the early Republic of China. The other is Wang Mian, a relative of King Huang Lu in the early Ming Dynasty more than 600 years ago, which is now in the Shandong Provincial Museum. It is also the only surviving ancient coronation ceremony, which fills the historical gap and has extremely high cultural relics and historical value.
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