Filial piety fund is a non-profit fund, which is used to support the elderly over 60 years old (including 60 years old) and over 70 years old (including 70 years old) in rural poor households. According to relevant policies and regulations, the filial piety fund will be returned when the recipient reaches the age of 60. The purpose of this arrangement is to ensure that the elderly can get financial support after reaching a certain age and solve the poverty problem of the elderly. The return time of the filial piety fund can provide better living guarantee for the donee and reflect the care and respect of the society for the elderly.