This research article aims to analyze the psychological impact of emotional repression on active-duty military personnel hospitalized in the psychiatric wards of the Central Military Hospital, as well as to identify the relationship between this variable and the presence of symptoms such as anxiety, depression, and stress, considering sociodemographic and hierarchical factors specific to the military context. The research was conducted using a mixed-methods approach, with a non-experimental, cross-sectional design. The sample consisted of 40 active-duty military personnel, both men and women, and data was collected using the DASS-21 scale. The results showed a significantly higher prevalence of emotional repression in male personnel, as well as a greater impact on military personnel with less seniority and lower ranks. Furthermore, the coexistence of symptoms of anxiety, depression, and stress was observed in those participants with a greater tendency to repress their emotions, highlighting the relevance of this variable in the military psychiatric context.