An herbal composition includes Dioscorea opposita, Nelumbo nucifera seeds, Euryale ferox seeds, Poria cocos, Diospyros kaki, Prunus dulcis, Mentha piperita leaves, and Panax quinquefolius. A method for treatment of airway inflammation in a mammal includes administering to the mammal in need of such treatment the aforesaid herbal composition.