2. Return midway. Filial Piety Fund is a non-profit fund voluntarily handed over by filial children and donated by enterprises, non-governmental organizations and people from all walks of life. It is used to support the elderly over 60 years old (including 60 years old) and over 70 years old (including 70 years old) of rural poor households who have established the card, and solve the problem of old-age poverty.