The family is the primary and main center of society. The family is the main institution of society. In turn, the institution of the family includes many more private institutions, namely the institution of marriage, the institution of kinship, the institution of motherhood and fatherhood, the institution of property, the institution of social protection of childhood and guardianship, and others.
 Marriage is an institution that regulates the relationship between a man and a woman. It is marriage in human society that is considered the only acceptable, socially approved and legally established form.
 Marriage is the family union of a woman and a man, registered in the state registry of civil status acts. Persons who have reached marriageable age have the right to marry. Marriage is based on the free consent of a woman and a man.
 The religious rite of marriage takes place now everywhere in Ukraine. The spiritual majesty of the temple or even the smallest church with church singing, crowns on the heads of the bride and groom, kind parting words of the priest - all this makes the wedding an unforgettable event in life. However, the religious rite of marriage has no legal significance. The religious rite of marriage, as before, does not create the rights and obligations of a spouse, remaining a personal matter of a woman and a man. Persons who, after the wedding, live together without registering a marriage have the status of a family, but do not have the legal status of spouses.
 Legal regulation of family relations is the main task of the Family Code of Ukraine, which defines the principles of marriage, personal non-property and property rights and obligations of spouses, the grounds for their origin, the content of personal non-property and property rights and obligations of parents and children, adopters and adoptees, other members family and relatives.
 Family relations are regulated by the Family Code of Ukraine with the aim of strengthening the family as a social institution and as a union of specific persons, establishing a sense of duty to parents, children and other family members, building family relations on the basis of parity, on feelings of mutual love and respect, mutual help and support, providing each child with family upbringing, the possibility of spiritual and physical development.
 A marriage is terminated as a result of its dissolution by joint application of the spouses or one of them. A marriage is terminated as a result of its dissolution by a joint application of the spouses on the basis of a court decision. A marriage is terminated as a result of its dissolution at the request of one of the spouses on the basis of a court decision in accordance with the Family Code of Ukraine.