Abstract Background New technologies have the potential to play an important role in promoting sexual health, especially among young people, who are the biggest users and those at greatest risk of contracting Sexually Transmitted Infections (STI). The risk behavior assumed by young people today highlights this vulnerability in several contexts, such as individual, social, economic, and family. In this sense, it becomes relevant to approach sex education in schools using digital technologies. Objectives To identify the evidence in the literature on the use of digital technologies to promote the sexual health of young adults. Methods Narrative literature review. Three independent reviewers extracted, analyzed and synthesized the articles and results. Results Through the selection process, four studies were included. The articles show that the use of digital technologies (mobile phones/applications) leads to increased knowledge, improved attitudes and sexual behavior among young adults. The interventions studied in the studies were based on Short Message Service, electronic mail interventions and the MyPEEPS mobile application, with the following main focuses: Increased knowledge, attitudes, and behaviors of young adults. Considering the results of the studies, all interventions proved to be effective as facilitators of sexual health promotion. Conclusions The use of digital technologies allowed an increase in the promotion of the sexual health of the participants, since there was an increase in the level of knowledge with the use of digital technologies such as SMS, emails and mobile applications when comparing the experimental and control groups. The use of these digital technologies also allowed for a change in attitudes and behaviors, such as a significant increase in serological testing for STIs and an increase in health care seeking. Key messages • The use of digital technology promotes the sexual health of young adults, so these strategies should be implemented by health professionals. • The dissemination of these digital strategies will have an impact on Public Health, specifically regarding the sexual health of young adults.