Back ground- Hypertension is a major worldwide public health problem because of its high prevalence with vascular disease, premature death, stroke, renal diseases and retinopathy. It is the most important risk factor for cardiovascular diseases which kill about 12 million annually worldwide, more than any other diseases. The aim of the study mainly focuses on the assessment of dietary practice and associated factors among hypertensive patients. Methods: Facility-based cross-sectional study was conducted among 356 hypertensive patients in Addis Zemen primary hospital and health care from June-July 2018. Simple random sampling was used to select study participants. Data were entered to Epi-info 7 and exported to Statistical Package for Social Sciences (SPSS) version 20.0 for analysis. A binary Logistic regression model was fitted to determine independent predictors of dietary practice among hypertensive patients. Adjusted odds ratio at 95%CI was used to declare the independent effect of each variable on the outcome variable. Result: The study revealed that 94(27.4%) of patients practiced healthy dietary activity and majority (90.9%) of patients lead sedentary life. The study found that Age (Adjusted Odds Ratio [AOR]=0.33,95% Confidence Interval [CI]:(0.14-0.76), Residence area (AOR=0.34,95% CI: 0.15-0.78), Duration since diagnosis(AOR=1.8, 95%CI:1.3-2.6), Educational status(AOR = 1.5, 95% CI:1.08-1.52) and Physical activity (AOR = 0.22, 95%CI: 0.054-0.89)were factors significantly associated with healthy dietary practice (p < 0.05). Conclusion: Majority of hypertensive patients in Addis Zemen primary hospital and health care center had unhealthy dietary practices due to poor knowledge about recommended dietary practice poor diversification of feed types. Therefore, creation of awareness about recommended dietary practice and diversification of feed types for hypertensive Patients should be conducted that may help them to control their blood pressure