本論文主要在探討秦先秦媵婚制度的性質，及其落在漢代經學中的演變與發展，同時對於這種演變與發展的政治及社會背景作出理解及說明。我們認為漢代經師利用先秦曾經存在的媵婚制進行托古改制的理想，並將媵婚制構想成一套嚴密的體系，這套體系與神秘數字、星象、災異、養生、求子……等密切相關，同時也蘊含了經師希望帝王能節制後宮人數的苦心。

　　　　　The point of this article is the characters of ying marriage, and interpretations of Classics about Han dynasty, This article discusses through five aspects: 1. Definition of ying marriage, 2. The practice of ying marriage in pre-Ch’in period, 3. The arguments about ying marriage of Han Confucianists, 4. The background of interpretation about ying marriage by Jing-Shi, 5. Marriages and harems of the imperial household in Han dynasty. These analyses will help us to understand those situations of the ancient Chinese marriage system. I will explain that ying marriage’s theories in Han dynasty are based upon so many foundations, for example, shu (number of regularity), yin-yang(陰陽), astrology, anomalism, regimen, procreation, and control of numbers about the imperial harems.