According to many researchers its necessary to research a hormonal profile in order to determine mechanisms of regulation of functions of the digestive conveyor during sports activities. In the paper the results of the carried out research on studying of a role of pituitary-adrenocortical axis system of adaptive reactions in activities of the secretory apparatus of a stomach of the athletes engaged in fight are provided. In our research the method of fractional gastric sounding was applied (as the most acceptable physiological method of a research of secretory activities of a stomach), and a method of the enzyme multiplied immunoassay by means of the industrial sets "CEA-IRE-SORIN" by means of which content of ???? hormones, cortisol and aldosterone in blood serum was studied. Results of the carried out research complement data in the field of sports gastroenterology and sports medicine and specify the possibility of their use by trainers and athletes when planning training and competitive exercises exerciseand processes of recovery.