In today's complex world, spirituality, as one of the fundamental dimensions of human life, plays a vital role in enhancing the quality of individual and social life. This is especially important in specific environments such as the Armed Forces Officer Academy, where students need to strengthen their morale and increase their spirituality due to their heavy responsibilities.This descriptive, correlational, and problem-oriented research, using the relevant rules of parametric inference and variable measurement principles, as well as data analysis based on Quranic teachings, examines the essentials of belief in two parts: the first part includes the principles of religion, and the second part includes the most important moral principles that are examined.To find the most effective factors for increasing spirituality among students of armed forces universities. The statistical population of the present study is 265 students of Khatam Al-Anbiya Air Defense University (PBUH) selected by simple random sampling method using Morgan sampling table.The researcher's questionnaire, whose validity and reliability have been confirmed, was conducted using the Likert method. Using qualitative and quantitative methods, the necessary data was collected through questionnaires and interviews with students and analyzed using SPSS software.The research findings show that among the belief factors, trust (94.7%), monotheism (88%), serving the country (86.4%), justice (84.2%), prophecy (82.3%), imamate (80%), external and spiritual discipline (79.3%), piety (76.9%), resurrection (76.3%), self-esteem (70.6%), and courage (58.8%) have the greatest impact on increasing students' spirituality, respectively.