Back ground: First aid is the initial treatment or help given to sick particularly injuredrnindividual before professional medical care becomes available with the materials at hand. Suchrnintervention aims in reducing the situations that threaten the victim until a professional arrives orrnthe sick individual is brought to health facility. The first minutes after a serious injury representrnonly a short time during which potentially lifesaving measures can be initiated. Many deathsrnfrom blocked airways or external bleeding can be avoided with quick action such as opening arnblocked airway, assisting breathing and applying direct pressure to a wound to reduce bleeding.rnObjective: to assess knowledge, attitude and practices of military personnel regarding first aidrnmeasures.rnMethod: The study site was northern command, 21st division military personnel. Descriptiverncross-sectional study design was employed on sample size of 375 military personnel fromrnFebruary 20 - 30, 2014 G.C study period.rnResults: A total of 375 military personnel‟s, all were males and the response rate was 100%. Thernmean ± SD age of the study participants was (26.7 ± 7.14) years and with majority rank wasrnPrivate 162 (43.2%).From the participant 160 (42.7%) attended FA training. Most of them hadrntrained on the military training center. Priorities to respiratory problem causality giving FA 272rn(72.5%) have correct answer. Majority knew fractured FA and 365(96.8%) knew one or morernthan one bleeding control methods. Attitude to first aid was thought to be positive, majority ofrnthe respondents were ready to be trained and 312(83.2%) were interest to give FA to others, butrn375(48.5%) of them thought that FA could be performed by any person.rnConclusionrnThe study participant‟s (military personnel) are expected to know first aid measures morernbecause of their mission. But the result showed that there were gabs on preferable position ofrnunconscious patients, FA of penetrating objects on the abdomen, FA of chemical burn, FA ofrnpenetrating eye injury, FA of priority, FA of protruded intestine, seizure, choking, cardiac arrest,rnfractured. Also half of the participants believed FA activity was performed only by healthrnworkers. So it is important to evaluate the first aid training programs of military training centerrnto improve knowledge, practice and attitude of the military personnel‟s regarding basic lifernsupport.