“九”为奇数之最。在我国,“九”字最富于神秘的色彩。帝王时代,城门数、宫殿数、门钉数多以“九”计,如形容紫禁城“宫阙九重”,太和殿采用“九”开间,故宫的门钉取九九八十一这个数目,甚至宫廷器物之名亦冠以“九”字,如九龙杯、九桃壶、九龙柱等。以“九”表示广大繁杂之义 “Nine” is the odd number of the most. In our country, “Nine” is the most mysterious color. In the imperial era, the number of gates, the number of palaces and the number of nails are often counted as “nine”. For example, the “palace of nine” is described as the Forbidden City and the number of nine is used as the hall of Taihe. Utensils in the name also crowned “nine” words, such as Kowloon Cup, nine peach pot, Kowloon column and so on. To “nine” said the vast complexity of justice