The strategy of the development of public health and medical care is to consider studying of the prevalence of diseases and the pathological affection based both on the evaluation of the cardinal criteria (mortality, disability and morbidity) and the instable criteria. The data research in the various branches of medicine are to be integrated on the basis on the nosologic and syndromal principles of the evaluation of the pathology prevalence. The large-scale generation of such information occurs in the territorial diagnostic centers. These institutions can accumulate and systematize all information data for evaluation and forecasting.