In ancient China, the emperor, as the supreme ruler of the country, has always been in the spotlight on their lifestyle and health. Historians are interested in the average life expectancy of an emperor because it reflects the medical conditions, living standards, and political stability of the era. So, how many years did the average lifespan of an ancient emperor be? Why do they often don't live long? 
According to historical records, the average lifespan of an ancient Chinese emperor was between 30 and 40 years. This data is far lower than the average life expectancy of modern people, indicating that the living environment of ancient emperors is very different from that of modern people. There are many reasons behind this phenomenon, including medical conditions, lifestyle habits, political struggles, etc. First, let's look at medical conditions. Ancient medical technology was relatively backward, and many diseases could not be cured**. For example, common infectious diseases, digestive diseases, and respiratory diseases, once infected, are likely to lead to the early death of the emperor due to ineffective treatment. In addition, the sanitary conditions in ancient times were also poor, which also increased the risk of the emperor getting sick. 
In addition to medical factors, lifestyle habits were also an important factor affecting the life span of the emperor. The ancient emperor had three palaces and six courtyards, and there were many beauties in the harem. This polygamy system could lead to overwork of the emperor and harm his health. At the same time, the diet in the court was often too elaborate and lacked the necessary nutritional balance, which also adversely affected the health of the emperor. In addition, political struggle was also an important factor affecting the life of the emperor. In ancient times, the competition for the throne was fierce, and emperors were often in a high-pressure political environment. This mental stress could have caused damage to the emperor's physical and mental health, or even shortened his life span as a result. There are many examples in history of deposed, assassinated, or poisoned as a result of political struggles, all of which directly led to the unnatural death of emperors. 
Finally, we need to consider the limitations of the historical record. Due to the limitations of ancient historical records, some short-lived emperors may not have been recorded in detail, which has affected our statistics on the average life expectancy of emperors to some extent. As a result, the actual average life expectancy of an emperor may be even lower than the available data. Through the study of the lifespan of ancient emperors, we can not only better understand the medical and health conditions of ancient societies, but also delve into the influence of ancient court life and political environment on the fate of individuals. This not only helps us understand history, but also provides us with insights into how we can improve our quality of life and health.