蒙古的征服战争造成了元代占有奴婢现象的普遍化,奴婢与良民之间的通婚亦不可避免。良贱通婚产生了配偶、子女的身份如何确定的问题,对这一问题,针对不同类型的良贱通婚,元朝政府出台了诸多相应的规定。此外,对良贱通奸所生子女的身份,元朝政府也有一套如何确定的原则。本文概括、分析这些法规、原则,并藉以说明元代奴婢制度的特点。 The conquest war in Mongolia caused the widespread slavery in Yuan Dynasty and the inevitable intermarriage between slaves and good people. Good and Cheap Marriage produced a spouse, children’s identity how to determine the issue of this issue, for different types of good and bad marriage, the Yuan Dynasty government issued a number of corresponding provisions. In addition, the government of the Yuan Dynasty also has a set of principles on how to determine the identity of children born from bad and adultery. This article summarizes and analyzes these laws and regulations and principles, and expounds the characteristics of the slave system in the Yuan Dynasty.