Legal analysis: the stepchildren who form the dependency relationship have the obligation to support their stepparents. Children fulfill their obligation to support their parents. Support means that children provide necessary living conditions for their parents materially and spiritually. Children, as caregivers, should fulfill the obligation to support the elderly economically, take care of their life and spiritual comfort, and take care of their special needs. All children have the obligation to support their parents.

Legal basis: Article 1067 of the Civil Code of People's Republic of China (PRC) states that minor children or adult children who cannot live independently have the right to ask their parents to pay alimony. Parents who fail to perform their maintenance obligations, lack the ability to work or have difficulties in life have the right to ask their adult children to pay alimony.