The difficulties of treatment of the chronic coronar syndrome in the elderly patients depends on the severity of the disease and multimorbidity. Administration of magnesium preparations in these patients compensates the sytemic magnesium deficit. A number of physiological effects of magnesium allows to potentiate the antianginal effect of background drugs. The study of quality of life and of psychoemotional status in elderly patients with stable angina during the treatment with magnesium has been performed. It was observed an initial decrease of quality of life accompanied by anxiety and subdepressive emotional features. Adjuvant therapy with Magnerot and magnesium sulphate was followed by significant improvement in parameters of quality of life and by positive changes in psychoemotional status of patients.