Recent years, the progressions from the field of free radical biology have been figuringout the role of reaction oxygen species (ROS) in maintaining and promoting the malignantphenotypes of tumor, and uncovering the modulation role of ROS on cell signal pathway.On the other hand, the effects of natural phenolic antioxidants on anti-ROS, cancer inhibitionand regulation of signal pathway have been respectively proved by many reports. However,the relationship between the anti-ROS property of phenolic antioxida...