Adolescence, which means ¿maturing into an adult¿, in today's thinking encompasses a combined action in which adolescents experience the demands and opportunities that affect their psychological, social and maturational development, which begins at puberty. The essence of puberty and the development of the sexual organs and reproductive capacity are experienced by adolescents as the emergence of a new role, and where there is a search for affective relationships. Sexuality is a relevant manifestation in adolescence, it is a phase of more intimate and affective discovery of the other and the creation of new sentimental bonds.The nurse has an incomparable role as an educator, counselor and respecter of adolescents in their experience of sexuality. It is essential to identify the importance of sex education as one of the methods that influences the way adolescents experience adolescence. The socializing role of nurses is crucial when it comes to understanding how adolescents behave with regard to their sexuality, in order to teach them, welcome them and intervene in order to make it easier for them to experience their sexuality in an informed, enjoyable and responsible way.