The prohibition of marriage be-tween men and women with the same sur-name is a traditional Chinese marriage taboo.Since the Tang Dynasty,there have been laws and regulations throughout history,that is,by the Ming and Qing dynasties,the prohibition of marriage between men and women with the same surname had become a concrete law in social operation.In the legal reform of the late Qing Dynasty,the term"non marriage with the same surname"was revised to"non marriage with the same ancestor".Although the result of this revision did not break away from the ethical framework,it was a return to the ori...