Colorectal cancer is one of the most common malignant tumors in digestive system, and the incidence is gradually increasing in recent years. A number of studies have found that aspirin can reduce the incidence of colorectal cancer, and the new study found the extract from tanshinone IIA and panax notoginseng has the same effect, therefore the mechanism of aspirin, tanshinone IIA and saponins of panax notoginsen anti colorectal cancer were reviewed, in order to provide...