Back ground: Approximately 7.6% million deaths (13-15% of the total) and 92 millionrndisability-adjusted life years worldwide were attributable to high blood pressure in 2001 and byrn2025, the number of hypertensive people is expected to increase by 60% and reach 1.56 billionrnpeople. The reason that Little is known about the knowledge ,attitude and practice towardsrnprevention and control of hypertension among Army, this study assessed the gaps in knowledge,rnattitude and practice towards hypertension and associated factors among the army assigned forrnpeace keeping mission.rnMethod: institution based cross sectional study was conducted between March 16 to April 12,rn2015 among 420 sample of Ethiopian defense Force members assigned for peace keepingrnmission in Birr Shelko training center. Quantitative data were collected on knowledge, attitudernand practice towards hypertension among study participants.rnData was analyzed using SPSS version 21. Descriptive statistics were used to summarize sociodemographic,rncharacteristics of study participant. Knowledge, attitude and practice towardsrnhypertension was determined using Bloom's taxonomy for cut of point (60-80). Logisticrnregression were used to identify factors associated with outcome variables. The result werernreported by odds ratio (OR) and Statistical significance were declared at p-value less than 0.05.rnResult : A total of 420 systematically sampled individuals were studied and found to haverncomprehensive knowledge score of 49.8% (±16.2 SD) Two hundred seventy five (65.5%) ofrnthe respondents had low level of knowledge, and cumulative mean percent of attitude scorernwas 65.1% (±16 SD). Two hundred nine (49.8%) of the respondents had neutral attitude. Thernmean percent of practice score were 60.5% (±16.9 SD). Only 93(22.1%) had relatively betterrnpractice towards prevention of hypertension. Practice score of respondents found to havernsignificant association with educational level, knowledge towards hypertension and attituderntowards preventive practices at p value of 0.05.rnConclusion : Since the level of the knowledge regarding hypertension is low in more than half ofrnrespondents, strengthening health education program is essential. Knowledge about healthrnfeeding and health food, the importance of physical exercise should be given in health education