目的 :观察和对比研究星状神经节阻滞 (SGB)治疗头痛的疗效和治疗前后的脑血流量变化。方法 :40例头痛患者采用SGB治疗前后做脑血流图检查 ,记录和分析脑血流量的变化 ,观察、记录和分析SGB治疗前后的疼痛程度评分。结果 :SGB治疗头痛疗效明显 ,有效率 95 %。SGB治疗前后的脑血流量变化明显 ,有非常显著性差异 ,P <0 .0 1。结论 :SGB能改善头面部的血流量分布 ,并对血管性头痛、丛集性头痛等效果显著 Objective: To observe and compare the therapeutic effect of stellate ganglion block (SGB) on headache and changes of cerebral blood flow before and after treatment. Methods: Forty stroke patients with headache were examined with cerebral blood flow before and after treatment with SGB. The changes of cerebral blood flow were recorded and analyzed. The pain scores of SGB before and after treatment were observed and recorded. Results: SGB treatment of headache obvious effect, effective rate of 95%. SGB ​​before and after treatment of cerebral blood flow changes significantly, there is a very significant difference, P <0. Conclusion: SGB can improve the head and face blood flow distribution, and vascular headache, cluster headache and other effects were significant