The results of the present study substantiate the possibility and the choice of the optimal methods for balneotherapy of the patients presenting with chronic cardiac in sufficiency with the use of Beryozovskaya mineral water (100.0 ml three times daily one hour before meals) in the combination with mineral half-baths of in different temperature during 10 minutes. It was shown that the regular annual systematic spa and resort-based treatment with the strict compliance to the proposed balneotherapeutic modality and basal medicamental therapy enhances the effectiveness of rehabilitation of these patients, promotes the steady progress in the clinical and instrumental manifestations of decompensation, optimizes effects of ACE inhibitors and diuretic furosemide, improves exercise tolerance and quality of life.