Conclusion Low power laser irradiation in nasal cavity can improve the focal rCBF and cerebral function of the patients with brain infarction, which is similar to that of the ILIB.

• 结论低强度镭射鼻腔内照射能改善脑梗死患者局部病坏血流量,启动脑细胞功能,有较为广泛的临床应用前景。