Study based on a randomized sample of 1,210 elderly people living in Khanh Hoa Province, hypertension prevalence and Its related factors have been examined. Hypertension prevalence in elderly people in Khanh Hoa Province was 45.7 percent (95 percent CI 43.0-48.5). There were associations between hypertension prevalence with: family history of hypertension, abdominal obesity, alcohol, excess intake of sodium and age.