The study attempted to find out whether the Polish legislation acts provide the best interests of the child, due to the international standard in Article. 3.1 The Convention on the Rights of the Child, was taken into consideration. After a period of transformation in Poland, there was a change in the national procedure for determining refugee status, including unaccompanied children. Amended several times Act on foreigners, and recently implemented EU rules to the Act on foreigners in 2013 and amending the act of granting foreigners with international protection. Subject of research: Analysis of Polish legislation on foreigners Purpose of research: The subject of this thesis concerns whether the polish legislation acts on foreigners has secured the best interest of the child. Methods: analysis, synthesis