Intravenous injection of EXO‐PD‐L1‐HGF could target stromal cell‐derived factor‐1α (SDF‐1α+) cells over the peri‐infarcted area of the ischemic brain through CXCR4 upregulation and accumulation in neuroglial cells post‐stroke. This evidence concerns the gene CXCR4 and Stroke.