2 inflammation of chronic bronchus. Complicated than that mentioned is involved as many cells and cells from the blood stream cells from the bronchi and alveoli, especially eosinophils. The results showed that increased both in the cells lining the trachea (epithelia cells) and the floor beneath the trachea (subepithelial cells cells) cell this can shed mediators. The key, such as Th-2 like cytokine eicosanoids protein, and toxic species. Results according to these substances from behind, making the has a leak mucus was after more tense muscles, and endothelial cell bronchial fall off. The lining cells of bronchial fall off. To make the trachea sensitivity (bronchial, hyperreactivity BHR). Results according to these processes will make bronchitis is continuously.