Conclusion: Astragalus Shixiao Decoction can decrease the serum lipids and make the microstructure of endothelial cell stable.So Astragalus Shixiao Decoction can resist atherosclerosis.

• 结论：黄芪失笑散能降低血脂，有效保护血管内皮细胞结构的完整，对动脉粥样硬化的形成具有预防作用。