In other words, it refers to past behaviors, events and laws that caused the emergence of specific legal norms. In other words, the historical origin of law refers to the relationship between specific legal norms and acts and events that have occurred in history, or what they have learned or been influenced by a certain law in history.

Yuanyuan is a Chinese vocabulary, and pinyin is yuānyuán, which refers to the origin, the source of deep water, and is a metaphor for the origin of things. From "The Biography of the Three Kingdoms and Guan Ning", "Measure its source and see that it is clear and turbid. No one sticks to the customs and walks alone."