[Pick to] The filial piety culture is an important part of Chinese ancient culture. In the pre-qin schools of thought and their exponments,Mozi is among the most theory of filial piety, the filial piety with the world. The filial piety of Mozi is the “Universal love”as the principle, with“the kiss” as the essence, to deliver “the son” as the main way of filial piety theory a theory system. This paper focuses on the system and its characteristics, and the development of the culture of Chinese nation in the 21st century, in the process of traditional filial piety culture play a role of the backbone.