You can change your surname by changing your name. When a natural person reaches adulthood, he or she can change his or her name through the name change procedure.
The right to name change refers to the right enjoyed by natural persons to change their surname or given name in accordance with the law. As long as it does not violate the mandatory provisions of the law and public order and good customs, it is allowed, but it is necessary to go to the household registration management department to register the change. formalities.
Although this kind of name change can be effective only based on a unilateral expression of intention, it cannot be used against a third party without publicity. Changes in registered names must also be registered, and the registration procedures for illegal changes will not be effective.
Legal basis:
Article 1015 of the "Civil Code" A natural person shall take his father's surname or mother's surname. However, if one of the following circumstances occurs, he may take his father's surname. Select a surname other than the mother's surname:
(1) Select the surname of other direct elder blood relatives;
(2) Select the surname of the caregiver because he is raised by someone other than the legal caregiver;
(3) There are other legitimate reasons that do not violate public order and good customs.
The surnames of natural persons from ethnic minorities can follow the cultural traditions and customs of their own ethnic groups.
Article 1012 of the Civil Code: Natural persons enjoy the right of name and have the right to decide, use, change or permit others to use their names in accordance with the law, but they must not violate public order and good customs.