Legal analysis: the basic alimony of the elderly can be calculated by setting the per capita consumption expenditure of local residents and the local minimum living allowance as the upper and lower limits, combined with the ratio of about 20% of the income of the dependents. If the amount is higher or lower than the upper and lower limits, the upper or lower limit shall be determined as the maintenance standard. In addition to insurance claims, the medical expenses incurred by the elderly due to illness should be included in the alimony according to the bill amount of the medical department; If the child is unable to take care of himself due to illness or infirmity, the nursing expenses should be calculated in the alimony, which will be calculated according to the certificate of the relevant old-age care institution or the standard of local ordinary employees. First, calculate the per capita monthly income of a child's family. When the per capita monthly income of children is lower than the minimum living security line, it is deemed that children are unable to provide alimony to their parents. When the per capita monthly income of children's families is higher than the minimum living security line, the maintenance fee is calculated at 50% for the excess and less than two children; If there are more than three children, the maintenance fee shall be calculated at 40%. Alimony payable is divided by the number of dependents to get the alimony paid to each dependent.

Legal basis: Article 1067 of the Civil Code of People's Republic of China (PRC) stipulates that children have the obligation to support and assist their parents. Parents who are unable to work or have difficulties in living have the right to ask their children to pay alimony when they fail to fulfill their alimony obligations.

Article 14 of the Law of the People's Republic of China on the Protection of the Rights and Interests of the Elderly stipulates that "the supporter shall fulfill the obligation of providing financial support, living care and spiritual comfort to the elderly and take care of their special needs."