Can I change my last name?

it can be changed.

Article 18 of the Regulations on the Registration of Household Registration of the People's Republic of China

When a citizen changes his name, it shall be handled in accordance with the following provisions:

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

when a person over the age of 18 needs to change his/her name, he/she shall apply to the household registration authority for registration of change.

article 19 when a citizen's household registration changes due to marriage, divorce, adoption, claim, household separation, household merging, disappearance, recovery or other reasons, the household head or himself shall report the change registration to the household registration authority.

Extended information:

Article 2 Under any of the following circumstances, according to the seriousness of the case, the public security administration shall be punished or criminal responsibility shall be investigated:

1. Failing to declare the account in accordance with the provisions of these Regulations;

2. False registration; 3. Forge, alter, transfer, lend or sell the household registration certificate;

iv. impersonating another person's account;

5. The hotel manager fails to register the passengers according to the regulations.

article 21 if the household registration authority finds counter-revolutionaries and other criminals in the household registration work, it shall request the judicial organs to investigate criminal responsibility according to law.

article 22 household registration books, books, forms and certificates shall be uniformly formulated by the people's Republic of China and the Ministry of public security, and printed by the public security organs of provinces, autonomous regions and municipalities directly under the central government.