The technical solution is related to preparations for treatment of chronic obstructive pulmonary diseases, namely, broncholytic drugs. Pharmaceutical composition for treatment of chronic obstructive pulmonary diseases comprises theophylline, water, potassium chloride, magnesium chloride, and succinic acid or its salt. The technical solution expands the assortment of drugs, and the theophylline-based pharmaceutical composition according to the technical solution when used in the treatment of chronic obstructive pulmonary diseases causes less adverse reactions, in particular, less arhythmogenic effect.
