Background: Worldwide hypertension is the third leading risk factor contributing to death, preventive measures and control of high f blood pressure should be of high priority, a healthy lifestyle remains the cornerstone of the management of blood pressure (BP). Objectives: To evaluate the effect of self - care life style modification program on self-efficacy for hypertensive patients using the Health Belief Model. Sudan, 2018. Methods: A hospital- based prospective study was performed at shendi town –sudan(March- April 2016 – febrery 2018). A total of 101 adult individuals were interviewed using structured questionnaire. That was filled by researcher, trainer nurses and semi-final medical students. BP was measured. The international classification of BMI was used for weight measurment. Analysis: selection of subjects was done via convenience sampling, they were followed during a 7 month, descriptive and inferential statistical methods were employed to analyze data. Results: This study reflected that majority 81(80.2%) of study group were ≥ 50 year of age the mean age of them was 57 ± 9.9 (range 30–83) , the study groups knowledge about hypertension improved in post -test phase, and upgraded in follow up- phase with highly significant results , they had improved level of life style modification upgraded in pos-ttest and follow up- test (P < 0.05). Conclusion: This study showed that the educational program was effective in increasing knowledge, improving self-care, and controlling lifestyle habits of hypertensive subjects, and indicated the ability of Health Belief Model in self-regulation and reducing the blood pressure. Thid study reflected that barriers to practice life style presented that more than one third 35(34.7%) of study group reported ineffective of medication to stabilize their blood pressure as a personal barrier, less than one third 30(29.7%) had self-efficacy as a psychological barrier, more, more than half 54(53.5%) reported confidence to implement strategy as a provider barrier, than two third 79(78.2%) reported lack of social support as a Sociocultural barrier, more than two third 68(67.3%) reported complicity of the regimen as a therapy related barrier, majority 88(87.1%) reported lack of transport as barrier to access to care, majority of them84(83.2%) reported lack of office support was a barrier as a feature of practice setting.