The family is a dynamic concept, which is the most basic and important human social organization. The profundity of its essence lies in five aspects, namely, the family is a form of social organization related by blood or marriage, the most basic unit of life, the most basic form of social organization, a community of life restrained by a particular morality and law and the organism’s cells of society. The family develops along with the development of productive forces, and it has experienced a historical evolution process from group marriage ...