Legal analysis: children can be adopted in this way: first, children of strangers can be adopted through welfare homes. Second, adopt the children of relatives. Third, first of all, take care of children whose biological parents have special difficulties and are unable to raise them. 4. Stepfathers and stepmother adopt stepsons or stepdaughters. When a couple adopts a child, they can't adopt it privately. You must go through the relevant formalities at the county civil affairs department where the adopted child's parents' permanent residence is located or where the social welfare institution is located. The adoption relationship shall be established from the date of registration. Without registration, the adoption relationship is not protected by law.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 104 Adoption shall follow the principle of being most beneficial to the adoptee and safeguard the legitimate rights and interests of the adoptee and the adopter. It is forbidden to buy or sell minors in the name of adoption.

Article 1098 An adopter shall meet the following conditions: (1) No children or only one child; (2) Having the ability to support, educate and protect the adoptee; (3) Not suffering from diseases that are medically considered unsuitable for adopting children; (4) All criminal records that are not conducive to the healthy growth of the adoptee; (five) at least thirty years of age.