Objective To evaluate the long term effect of comprehensive antihypertension treatment. Methods A cohort of 818 staff in an institute was enrolled. Regular health checkup, education and aggressively treatment and prevention of hypertension and its complications were administered and followed up for 6 years. Results In the past six years, the incidence rate of hypertension has been decreased year by year(from 23.7% to 19.0%). The rates of awareness(49.5% to 94.4%), treatment(37.1% to 83.7%), and achievement of target BP goal(19.6% to 82.4%) were increased. Cardiovascular risk factors as well as morbidity and mortality were decreased significantly(P