The mother is married and immigrated, and the child is 18 years old. Can I go through immigration with her?

Depending on which country you immigrate to, American is ok;

Conditions for American relatives to immigrate:

(1) Conditions for spouses to immigrate

Spouse immigration includes two kinds of people: the first is the spouse of an American citizen, who is not subject to quota restrictions and can be approved quickly as long as he applies; The second is the spouse of the American green card holder, who is restricted by quota and belongs to the second priority immigration.

(2) Conditions for children to immigrate

According to American immigration law, there are four main situations to apply for child immigration:

(1)2 1 Unmarried children of American citizens under the age of can apply for immigration, and there is no quota limit;

(2) Children who have reached the age of 2 1 year, but are unmarried, belong to the first priority category;

(3) Children who are married belong to the third priority category;

(4) Green card holders can also apply for immigration for their unmarried children. Beneficiaries belong to the second priority category, and divorced children are considered unmarried. Married children of green card holders have no priority.