马齿苋为常见野菜和中药，作为药食两用植物在中国有广泛的分布与应用。其含有黄酮类、萜类、香豆素类、生物碱类、挥发油类和多糖等化学成分，其提取物或有效部位具有抑菌、抗病毒、抗肿瘤、调血脂、降血糖等药理作用。综述近3年来有关马齿苋中的酰胺及其苷类、有机酸与氨基酸类、黄酮等化学成分，以及保肝、抑制痢疾杆菌、抗缺氧、抗氧化、抗心律失常、抗肿瘤等药理作用的最新研究进展，为进一步的研究开发提供参考。

Portulaca oleracea is a kind of potherb and famous herb which be used widely and distributed in all of China. It contains chemical constituents of flavones, terpenes, coumarins, alkaloids, naphthas, amylose, and so on. Its extract or active constituents could be used for antimicrobial, antivirus, antitumor, anti-atheroscloresis, hypoglycemic. The advanced studies on chemical constituents and pharmacological effects of this plant in three years are reviewed in this paper to provide a clue for the modern research work.