The establishment of adoption means that the adoptive relationship between the adopter and the adoptee is established through legal procedures. According to the law, adoption shall be registered with the civil affairs department of the people's government at or above the county level. The adoptive relationship shall be established as of the date of registration.
 Legal basis:
 Article 105 of the Civil Code of the People's Republic of China
 Adoption shall be registered with the civil affairs department of the people's government at or above the county level. The adoptive relationship shall be established as of the date of registration.
 If the adoption of a minor whose parents cannot be found, the civil affairs department that handled the registration shall make a public announcement before the registration.
 If the parties to the adoptive relationship are willing to sign an adoption agreement, they may sign an adoption agreement.
 If the parties or one of the parties to the adoption relationship requests that the adoption be notarized, the adoption shall be notarized.
 The civil affairs department of the people's government at or above the county level shall evaluate the adoption according to law.