princesses of the same rank have the same status in theory. If they need to be ranked, they should be ranked according to their seniority, that is, the time they entered the palace, which has little to do with their titles. The titles of empresses are basically chosen by the Ministry of Rites and then by the emperor. They are basically good words, and the meaning is not particularly important.
Derived knowledge:
In ancient times, princess was used to address the monarch's main room (such as Zhengfei), because the word after that time was used to address the monarch instead of the main room of the monarch. After the last word was used to address the monarch's main room, the use level of princess declined, and it was no longer used to address the monarch's main room as before.
The emperors of the Zhou Dynasty established six palaces, three wives, nine wives, twenty-seven ladies and eighty-one royal wives.
in Qin and Han dynasties, the crown prince's main room was called a princess, such as a crown princess, which was used by later generations. The prince's huotang legally known as the princess, such as Cui Shi, the wife of Tang Guangping, called Cui Fei.
during the Wei and Jin dynasties, Wei Mingdi set up a concubine, ranking second to the queen, his wife and his wife. During the reign of Emperor Wu of Jin Dynasty, Shu Fei was one of the nine concubines.
In the Tang and Song Dynasties, the imperial concubine, Shu princess, De princess, Xian princess and so on were the best, ranking below the queen. During the reign of Emperor Xuanzong of the Tang Dynasty, it was changed to Hui Fei, Li Fei and Hua Fei.
Jin dynasty: Yuan princess, imperial concubine, Shu princess, De princess, Xian princess, etc. are the first-rate products, second only to the empress. During the reign of Emperor Xuanzong of Jin Dynasty, it was changed to: Imperial concubine, true princess, Shu princess, Li princess, Rou princess, etc.
in Ming dynasty, the titles of empresses were: Empress; Imperial concubine; Imperial concubine; Xian Fei, Shu Fei, Zhuang Fei, Jing Fei, Hui Fei, Shun Fei, Kang Fei, Ning Fei; De, Xian, Zhuang, Li, Hui, An, He, Xi and Kang; Zhao Yi, Jieyu, beauty, talent, waiter, lady and so on. The title is based on the word meaning auspiciousness or virtue as the emblem of the princess, without the word Xi.
The harem in the Qing Dynasty changed greatly in the early stage and was quite random. During the period of Nuerhachi, there was no system of concubines. At this time, wives and concubines had no names, and Nuerhachi's 16 wives were all called "Fujin". During the period of Huang Taiji, with the separation of empresses and concubines, five palaces were established: Qingning Palace in the middle palace, Guanluo Palace in the east palace, Linzhi Palace in the west palace, Yanqing Palace in the second east palace and Yongfu Palace in the second west palace. After entering the customs, the names of empresses increased. In the fifteenth year of Shunzhi (1658), it was decided to adopt the proposal of the courtesy officer, and the Ganqing Palace was set up with one wife, one Shu Yi, one Wan Shi, and 3 Ruanwan and Fangwan. There is one Zhen Rong and two Shen Rong in Cining Palace, and there is no fixed number of attendance. In addition, there are female officials, but this system has not really been implemented. After Kangxi, the canon system was perfected. Empresses have a queen, a middle palace, an imperial concubine, two princesses, four concubines and six concubines. They are distinguished, always present and promised, but there is no fixed number, and they are separated from each other in 12 palaces. There are Jingren Palace, Chenggan Palace, Zhongcui Palace, Yanxi Palace, Yonghe Palace and Jingyang Palace in the East Palace, and Yongshou Palace, Yikun Palace, Qixiang Palace, Changchun Palace Palace and Xianfu Palace in the West Palace. Every palace has a maid-in-waiting for servants.