Generally speaking, the marriage age of men in China Palace is not more than 18, and most of them are between 13 and 17. Almost all emperors, little emperors and princes had been blessed by women, experienced and even had children before their formal marriage. Sima Zhong, a faint king in the Western Jin Dynasty, married at the age of 13, when he was a prince. Before Sima Zhong got married, his father, Sima Yan, sent a harem talent Xie Jiu to the East Palace to teach the prince about sex. Xie Jiu was pregnant when she left the Prince's East Palace. Xie Jiu later gave birth to a son in another palace. A few years later, Prince Sima Zhong saw a child in his parents' palace. Emperor Wu of Jin told him that this was his son, and he was greatly surprised. Similarly, TaBaJun, a Wen Chengdi of the Northern Wei Dynasty, got married at the age of 17, but 13 just entered adolescence and 14 became a father.

It is expressly stipulated in the Qing palace that before the wedding, the emperor first selects eight elderly ladies-in-waiting with good looks for the emperor's royal presence. These eight ladies-in-waiting are well-known, and since then they have become women with status in the palace. They get paid every month and are no longer engaged in labor like other ordinary ladies-in-waiting. Therefore, this job has always been expected by ladies-in-waiting, hoping to get out of the sea of suffering and reach the sky in one step. The birthrights of these eight ladies-in-waiting are generally titled as four female officials in the palace, namely, master of ceremonies, door secretary, bedroom secretary and account secretary. The purpose of this regulation is to let the emperor get some experience of sexual intercourse before marriage, so that he can live with the queen without embarrassment and panic, and take his time.

Which women did the emperor have sex with before marriage? This is not stipulated by China's successive imperial courts, and it depends entirely on the emperor's personal interests. In terms of possibility, it is really difficult to answer who is the first woman of the little emperor or prince, and whether this woman will become a queen or concubine. Anyone can be the emperor's first woman, and when they are lucky, they usually have a corresponding name. But generally speaking, it is the maids around who are most likely to be the first woman of the little emperor or the little prince, and sometimes their wet nurses. Maid-in-waiting and wet nurse are both maids and are nameless. If the maid-in-waiting is lucky and favored, she will gain a birthright, thus changing her humble position. The wet nurse is free to enter and leave the palace. Even if she is lucky, her birthright will never change, and neither will she. People can't accept that the wet nurse who grew up nursing the emperor can be the emperor's concubine, let alone the queen of the world.