The present invention relates to the drug formulations of dry powder form, for being applied and being indicated for treating obstructive airway syndromes such as asthma and Chronic Obstructive Pulmonary Disease (COPD) by sucking. Especially, the present invention relates to inhalable medicament compositions, it includes the powder budesonides of the first composition, one of or its salt for pharmaceutically allowing, its amount is greater than 5% weight %, first powder, leucine amount be preferably 5 to 70% weight % first powder and lactose yield be preferably 20 to 90% weight first powder Second powder includes Formoterol or its salt for pharmaceutically allowing of one kind, and amount is greater than 1% the second powder of weight %, leucine amount be preferably 5 to 70% weight % second powder and lactose yield be preferably 20 to 90% weight second powder With third powder include leucine amount be preferably 5 to 70% weight % the third powder and lactose yield be preferably 20 to 90% weight % the third powder. The fraction (DF) that the composition has fine particle fraction (FPF) to be greater than 60% and deliver is greater than 90%.
