The invention relates to the field of medicine, namely to the way of pulmonology, treatment of inflammatory or obstructive respiratory diseases, especially asthma and obstructive bronchitis by using the drug on the basis of 1',3'-dinitroglycerol ester of 11(S),15(S)-dihydroxy-9-keto-5Z,13E-prostadienoic acid (nitroproston) with a pronounced bronchial dilating effect. The present invention provides an expansion of the arsenal of broncholytic drugs by using the derivative of natural prostaglandin E2, which is characterized by a high biological activity and the absence of noticeable side effects.