The determination of custody of unmarried children can refer to the determination of custody of illegitimate children and divorced children.
 1. The personal parents of unmarried children shall negotiate on their own. Parents should consider from the perspective of facilitating the healthy growth of children, and determine the custody of unmarried children in combination with their own conditions.
 2. If the agreement on the custody of unmarried children fails or both parties do not want the custody of children, they can apply to the people's court for judgment through litigation. The court's decision on the ownership of custody is generally based on the principle of facilitating the growth of children. The main factors considered are the education, work, income, age, family environment, children's age, etc. of both parents.
 3. The biological parents who have special difficulties and are unable to support their unmarried children may place out their children for adoption as placers. At this time, the custody of the unmarried child belongs to the adopter.