Children can't find anyone to sign their surnames. When a newborn is renamed, both parents must be present at the same time to write an application and sign in, and bring their ID cards and household registration books. If you divorce, you must bring a divorce certificate, divorce agreement and birth certificate, all of which are originals.

legal ground

Article 18 of the Regulations on Household Registration

Citizens who change their names shall be handled in accordance with the following provisions:

(a) 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) when a person who has reached the age of eighteen needs to change his name, he shall apply to the household registration authority for registration of change.