The conditions for a child to join a parent are as follows: 1. A minor child (less than 18 years old) or an adult unmarried child can settle down; 2. Only one parent has a registered permanent residence in the city;
3. Students and prisoners in colleges and technical secondary schools cannot transfer their registered permanent residence. Materials required: a. The original and copy of the parents' marriage certificate, the family planning certificate for minor children, c. The household registration certificate for children, the relationship between parents and children, d. If the children have grown up (male 22 years old, female 20 years old), the unmarried certificate (civil affairs bureau) and no employment certificate shall be prepared.