Objectives: to confirm the rate of patients had right knowledge, attitude and practice (KAP) in preventing hypertention. Methods: cross-sectional descriptive study. Results: we have 384 patients with: 82.3% of patients with hypertetion for 2 years.43.2% of patients with grade 1 hypertetion and 59.9% with grade 2 and 3.69.7% had the right knowledge about salt restriction and 90.4% knew about increased physical activity to prevent hypertention96.7% had agreeable attitude with salt restrictionThe grade 2 hypertention patients are better than the grade 1 in salt restriction.