VEGFA and acute respiratory distress syndrome: According to the enrichment analysis of the core target pathways of the ARDS network that YQHYJD interferes, the core target pathways include ErbB signaling pathway, VEGF signaling pathway, focal adhesion, FoxO signaling pathway, influenza A, MAPK signaling pathway, Toll-like receptor signaling pathway, insulin signaling pathway, adherens junction, mTOR signaling pathway, gap junction, Ras protein signal transduction, and positive regulation of ERK1 and ERK2 cascade (Table 4).