The aim of this research was to analyze the influence of perceived family dynamics in the construction of the life project among male and female high school students from an educative institution in San Juan de Lurigancho district in Lima city, with ages ranging from 14 to 18 years. To accomplish this goal the study followed a qualitative approach with the application of qualitative interviews to 12 participants and two focus groups formed by seven participants each, as methods of data gathering. The collected information was analysed using elements of grounded theory and axiomatic set theory, with the support of the data analysis package Atlas.ti v. 7.5. Results show that participants perceive that some factors of the family dynamic, such as family environment, family communication, and type of family structure, influence the construction of their life project.