The results of a prospective 5-year survey of workers and employees at a computer manufacturing enterprise were summed up. The true prevalence of CHD (11.7% of examinees), arterial hypertension (16.5%), and risk factors of these diseases were established. A scheme of controlled therapy of CHD and arterial hypertension was developed and tested. The annual economic effect of the survey was 4038 rub. per 1000 examinees.