The family life cycle is divided into several stages.

A typical family life cycle can be divided into the following six stages: formation, expansion, stability, contraction, empty nest and disintegration.

Family life cycle refers to the movement process of a family from birth to development until death, which reflects the changing law of the family from formation to disintegration. With the growth of family organizers, it shows obvious stages and dies with the life span of family organizers. The concept of family life cycle was first put forward by American anthropologist P.C. Glick in 1947.

Consumption in education and other aspects will have obvious age characteristics. With the growth of age, consumers' demand for products and services is constantly changing, and their consumption of food, clothing, furniture and entertainment has obvious age characteristics.