Compared with the model group, Danlong Dingchuan Decoction effectively reduced the expression levels of TNF-α, IL-4, TGF-β1, IL-6, IL-8, and IL-1β in the lung tissue, reduced the release of inflammatory factors, alleviated airway inflammatory response, and relieved asthma symptoms (Table 3). The gene discussed is IL4; the disease is asthma.