A: If a child wants to change his stepfather's surname, he needs to bring the original household registration book, ID card, birth certificate and parents' marriage certificate to the local household registration department to apply for change. Specifically, you should consult the local public security organ. Changing the child's name requires proof of the consent of both parents. Residents need to prepare the following materials to change their names: 1, household registration book 2, certificate of unit or village committee and subdistrict office 3, marriage certificate of parents if they apply to change their father's surname or mother's surname 4, certificate of adoption or certificate of dissolution of adoption relationship 4, change the surname of the other party or restore the original surname due to the establishment or dissolution of foreign-related marriage relationship. Marriage certificate or divorce certificate is required. 6. Minor children under the age of 16 who want to change their surnames due to their parents' divorce shall provide all the supporting materials agreed by both parents, and then go to the household registration hall of the Public Security Bureau for handling.

Explanation: Minors must obtain the guardian's consent to change their names. As guardians of minor children, parents have equal rights to their children's names. When either party changes the child's name, it must obtain the consent of the other party. Therefore, after the divorce of husband and wife, the father or mother shall not change the surname of the children born during the existence of husband and wife to the surname of the stepmother or stepfather without authorization.

legal ground

Article 19 of the Supreme People's Court's "Several Specific Opinions on People's Courts Handling Children's Support in the Trial of Divorce Cases" stipulates that if a parent changes the surname of a child to that of a stepmother or stepfather without authorization, it shall be ordered to restore the original surname.

Regulations of People's Republic of China (PRC) Municipality on Household Registration

Eighteenth citizens to change their names, in accordance with the following provisions:

1. When a person under the age of 18 needs to change his name, his parents or adopters shall apply to the household registration authority for registration of change;

Two, people who have reached the age of eighteen need to change their names, and I shall apply to the household registration authority for registration of change.