Speleotherapy was conducted in 216 children with bronchial asthma treated in conditions of salt mines situated near the town of Nakhichevan. The assessment of clinical, immunological and functional parameters showed that the best results had been achieved in atopic asthma running a light or moderate course. Speleotherapy courses noticeably diminished broncho-obstructive syndrome, improved pulmonary ventilation. The improvement proved stable in the majority of the patients. It is recommended to include speleotherapy in salt mines into combined rehabilitation treatment of pediatric asthmatics.