The question of the child’s age sufficient to take it into account in a family conflict continues to be debatable. To resolve it, the authors of the article analyze the norms of Russian and foreign legislation, the positions of the UN Committee on the Rights of the Child, the Supreme Court of the Russian Federation, representatives of legal science, as well as materials of judicial practice. The authors come to the conclusion that it is inexpedient to establish an age limit in the ability to take into account the child’s opinion in a controversial legal relationship. Emphasis must be placed on the actual level of physical and mental development of the minor. For this, it is proposed to use the available expert methods of interviewing children in order to identify their opinions, which are specially designed to overcome difficulties in communicating with children of different age categories. The article reveals the peculiarities of the implementation of measures for legal education in the field of informing minors about their rights, ways of protecting and restoring them. The authors insist on expanding the content of Article 57 of the Family Code of the Russian Federation, which regulates the content of the child’s right to express their opinion, and propose legislative innovations in the regulation of certain methods of protecting the rights and interests of children.