Very formal. Filial piety for the elderly and poverty alleviation means that the children of poor elderly households give some money to the elderly every year. Then the government will return the money to the elderly according to the amount of money given by the children. Filial piety pension public welfare fund consists of filial piety and subsidies. "Filial piety" is paid by children voluntarily, with the minimum monthly payment of 100 yuan, and the maximum monthly payment of 300 yuan for each elderly family (each elderly family is limited to two children, and the maximum filial piety can be increased by 100 yuan for each additional child). Payment can be made quarterly or annually.