In ancient China, "nine" was the extreme number of positive numbers, that is, the maximum number of singular numbers. Ancient emperors often attached "Nine", and things related to emperors often took "Nine". For example, there are nine gates in the capital, which are called "Nine Prefects" by the Chief Executive, the Forbidden City and some royal gardens, and all the gates of the palace are equipped with "Nine Spikes".
In the Qing dynasty, the use frequency of "nine" was higher. On the emperor's birthday, a large-scale entertainment will be held, with * * * 99 or 8 1 program named "99th Anniversary Celebration".
"Poetry? Xiaoya? Tianbao: "Mountains are like hills, hills are like tombs, and they are the treasures of Sichuan, so it is bound to increase ... if the moon remains unchanged, if the sun rises, if the life of Nanshan is like the prosperity of pine and cypress ..." There are nine words' such as' in it, because' Tianbao Nine' is the language of longevity. Therefore, on the birthday of the Qing emperor, the courtiers' tributes are counted as "nine", which means wishing the emperor a long life. Over time, the number "nine" was monopolized by the emperor, and ordinary people, even officials and responsible persons, dared not use "nine" easily.
In addition, the Qing History records that there were also customizations in the Qing Dynasty. Every year, the kings of Mongolia presented eight white horses and one white horse to the emperor, which is called "the tribute of nine whites". The rest of the tributes are also calculated by "nine". Major festivals of the court, such as the New Year's Day feast, include fruits, preserves and snacks. , including ninety-nine items, the emperor's robes, nine embroidered dragons before and after, and the emperor's seal is three inches and nine points. Nine became the emperor's patent.