In the process of rapid social and economic development, the number of children is small, children are not around, the pressure of children's career is great, children have to take care of their own children, and children no longer regard supporting their parents as the highest life value ... All these changes have impacted and weakened the traditional family pension function with children as the core. The problems of elderly people living alone, left-behind elderly people, empty-nest elderly people, and elderly people are all related to the weakening of family pension function to some extent. Pension has become an unbearable burden for families.