1. The medical level in ancient times was not high, and smallpox virus infection was too strong.

Some princes died for this reason, just like Shunzhi, because of smallpox.

2. The bloodline thought of ancient wealthy families was to adopt consanguineous marriage.

In order to consolidate the imperial power, most concubines in the Qing palace are related to relatives and friends, and some are related by blood. For example, Tong Jiashi of Kangxi is her cousin. Blood relationship is also one of the reasons for the premature death of offspring.

3. The harm of early marriage

Because the ancients attached great importance to their offspring, they got married very early, but the first harm brought by early marriage is the problem of children. Emperor Kangxi's first son was born at the age of 12, and the biological mother of the deceased was also a girl about the size of the emperor, and her development was not mature. The children they gave birth to were seriously deficient and had many defects, and they could not stay in the world for a long time after careful care.

When the emperor came of age, his body was mature, but he had many concubines. If his sex life is not controlled, many of his children are still unhealthy, so the mortality rate is high. In a word, congenital imperfection is the main cause of the death of emperors and daughters in Qing Dynasty.

4. Clashes within the royal family

Because of the battle for the throne, concubines competed with each other for favor, which harmed the heirs. The harem fight is the biggest cause of death for the children of the Qing royal family.

Extended data

In the Qing Dynasty, * * * experienced ten monarchs from the establishment of a unified national regime in the emperor shunzhi to the death of Emperor Xuan Tong. Emperor Xuan Tong abdicated in childhood, and his fertility problems and the fertility status of the other nine emperors can be ignored. There were 74 people who died before the age of 15, while nine emperors in the Qing dynasty had 146 children, which was half of the number of births. Among them, 37 of the 60 imperial daughters died unexpectedly, and the premature death rate was as high as 6 1.7%.

Emperor Kangxi's first six children died before they were four years old, as did Yong Zhengdi's eldest daughter and his first three sons. Emperor Qianlong's eldest daughter, second daughter and second son lived to be 2 years old, 1 year old and 9 years old respectively. Emperor Jiaqing's eldest son and second daughter left their father before they were four years old. None of Daoguang's first six children, like those of Emperor Kangxi, lived to adulthood.