Xiaochaihu Granule(XCHG)is a famous traditional Chinese medicine(TCM)firstly studied and developed by the Guangzhou Baiyunshan Guanghua Pharmaceotical Co., LTD.The study aimed to investigate the biol. target network and potential mechanisms of XCHG through network pharmacol. techniques.The compounds and targets of XCHG were screened using TCMSP, PubMed, and UniProt databases.The protein-protein interaction network was analyzed by String and Cytoscape.The GO functions and KEGG pathways were enriched.The active component-target-pathway network of XCHG was established.The results showed that 82 active compounds and 242 potential targets were obtained in XCHG.Wherein, Quercetin, Kaempferol, Luteolin, Wogonin, Naringenin, 7-Methoxy-2-Me isoflavone, Baicalein, Formononetin, Stigmasterol, and β-sitosterol were the main active compounds;VEGFA, JUN, MAPK3, AKT1, MMP9, IL6, ALB, PTGS2, CXCL8, and CASP3 were the key targets;Twenty key pathways were enriched, and 50% of them were closely related to antiviral effects, such as Human cytomegalovirus infection, Influenza A, Epstein-Barr virus infection, etc.Other major pathways include immune-and inflammation-related pathways such as PI3 K-Akt pathway, MAPK pathway, TNF pathway, etc., and apoptosis-related pathways such as Apoptosis pathway, etc.This study showed the advantages of XCHG in suppressing virus replication and viral infection, revealed the key targets and pathways in regulating immune and inflammatory response, and cell apoptosis.The results provided helpful references for XCHG's mechanism explanation and clin. administration.