After the upbringing relationship is determined, if the parental upbringing conditions have changed significantly, or the children request to change the upbringing attribution.
 The upbringing relationship can be changed by agreement between the two parties. If the agreement fails, the people's court will make a judgment according to the children's interests and the specific conditions of both parties.
 The following circumstances can be required to change the custody relationship:
 (1) The fosterer is seriously ill and cannot be cured, which may affect the health of the child;
 (2) The fosterer has lost the ability to work, and the economic situation has changed significantly, so that he can no longer support his children;
 (3) The fosterer is sentenced for a crime and can no longer bear the responsibility for the upbringing and education of his children;
 (4) The moral character of the foster is corrupt, which affects the healthy growth of children;
 (5) The family situation of the foster is not conducive to the healthy growth of the children, such as discrimination and abuse by the stepparents;
 (6) The child himself or herself has a legitimate reason to propose to change the custody relationship.
 In Article 16 of the Several Specific Opinions of the Supreme People's Court on the People's Court's Handling of Child Support in the Trial of Divorce Cases, if one party requests to change the child support relationship, it shall be supported in any of the following circumstances.
 (1) The party who lives with the child is unable to continue to support the child due to serious illness or disability;
 (2) The party living together with the child does not fulfill the obligation to support or maltreats the child, or the living together with the child has adverse effects on the physical and mental health of the child;
 (3) A minor child over the age of 10 who is willing to live with the other party and who has the ability to support him or her;
 (4) There are other justifiable reasons for change.