The disintegration of the patriarchal clan system brought the separation of family from state and clan, thus made the value of key family standing out, which caught the eyes of Confucians on family.

• 宗法制的分崩离析，带来家与国的分立、家与族的分离，使得个体家庭的价值凸显，引起儒家对家庭的特别关注；