Quality of life of soldiers is the ability to participate in professional activities during the military service in accordance with intrapsychic state. The aim of this study was to establish the categories of quality of life, which are important for soldiers' adjustment during the military service. The investigation was performed on the subjects of the two squads of soldiers of Yugoslav Armed Forces, divided into three groups according to the period of investigations: after the first month, after the basic training, and at the end of military service. The applied instruments of the investigation were sociodemografic questionnaire and Quality of Life Scale (QLS). Statistical analysis of the obtained data was made by t-test. Investigation results showed that quality of life of soldiers during the military service depended on intrapsychic state, interpersonal relations and solidiers’ adjustment to common objects and activities, and did not depend on their occupational role.