There are no laws and regulations that require you to take your parents' surname.
Legal basis: Article 10 15 of the Civil Code of People's Republic of China (PRC), a natural person should take his father's surname or his mother's surname, but in any of the following circumstances, he may choose a surname other than his father's surname or his mother's surname: (1) Choose the surname of other immediate elders; (2) Choosing the surname of the supporter because of the support of a person other than the legal supporter; (three) there are other legitimate reasons that do not violate public order and good customs. The surnames of natural persons of ethnic minorities can follow their own cultural traditions and customs.