Background: The fear and anxiety of COVID-19 is one of the factors that alter the mental health of the population, forcing them not to develop the capacity to cope in situations that compromise the health of their family Objective: The objective is to determine the fear and anxiety to COVID - 19 in a disadvantaged population in the San Juan de Lurigancho district. It is a quantitative, correlational, non-experimental cross-sectional study, with a population of 617 participants, who answered a virtual questionnaire of sociodemographic data, the scale of fear of COVID - 19 and scale of anxiety due to COVID - 19. Results: In its results the relationship between anxiety and fear of COVID - 19, where 218 (48.8%) of the participants without dysfunctional anxiety presented a moderate effect on fear of COVID - 19 and in participants with dysfunctional anxiety 92 (54.1%) presented a high effect on fear of COVID - 19. Conclusions: It is concluded, strategies should be sought to address the consequences on the mental health of the population.