In the author's experience, the longterm treatment of chronic obstructive lung disease should be supplemented by continuous selective stimulation of the adrenergic beta-receptors in the smooth bronchial muscles. The following procedure is recommended: inhalation of 15 min 3 times daily using an adequate aerosol with a powered nebulizer (Pari-Privat), with 2-3 ml Tyloxapol carrier solution or saline with 5 drops salbutamol.