It is an ancient legend in the history of our country. It can predict the gender of the fetus and is deeply loved by the public. However, in today\’s era of highly developed science and technology, people have disputes about the accuracy of the Qing Palace Maps. This article will conduct a detailed analysis of the scientific principles, data sources, research, and practical applications of the pictures of children giving birth to boys and girls, and interpret the scientific nature of the pictures of children giving birth to boys and girls in the Qing Dynasty. The scientific principles of the Qing Dynasty Palace Map are based on