Digital social networks are essential interaction spaces in the lives of Internet users. Their use in a moderate manner becomes a constructive way for learners and students in training, where their possibilities as a complement to educational activity have not been widely explored. Given this, this research presents the results of an investigation carried out at the “Rubén Martínez Villena” Pedagogical School in the province of Artemisa; which aims to analyze the use of digital social networks among students who are trained as Lower Secondary teachers, Physics specialty. The methodological basis of this study is mixed, quantitative and qualitative, and consists of a survey applied to students and a series of interviews with students and teachers, with statistical work of counting frequencies and percentages in the survey and interpreting meanings in the testimonies obtained in the interviews. The importance of the educational use of this type of networks by students is highlighted, having collaborative learning as a framework.