The group of 236 patients with the clinical pattern of chronic ischemic disease of digestive organs (CIDDO) is examined. It is detected that the course of CIDDO is characterized by localization, character of affection and degree of blood circulation disorders in unpaired visceral arteries and can be represented by 6 clinical variants. The erosive-ulcerous type of CIDDO was most frequently presented in male. It was combined with ischemic heart disease and atherosclerotic affection of arteries of lower extremities. In female the CIDDO more often flows as pseudo-pancreatic variant on a background of hypertension, dislipoproteidemia and hypothyroidism. It is proposed functional classes of disease on which the treatment strategy depends.