1. Hemostasis: It can significantly promote platelet aggregation, significantly shorten coagulation time, and has a significant contraction effect on rabbit arterial vascular strips. 2. Activating blood circulation and removing blood stasis: It can promote the dissolution of rat venous thrombus and accelerate the blood flow rate of mouse ear microcirculation; Panax notoginseng flavonoids can promote blood circulation, indirectly accelerate the electrophoresis rate of red blood cells, reduce blood viscosity, increase coronary flow, reduce myocardial oxygen consumption, and reduce cholesterol. 3. Panax notoginseng saponins can improve the tolerance of brain cells to acute ischemia, and have a protective effect on the stability of nerve cell membranes and microvascular membranes in ischemic brain tissue; Panax notoginseng saponins can also promote protein synthesis, and have a promoting effect on the synthesis of liver, kidney and serum proteins. 4. Rg1 and Rb1 in Panax notoginseng can promote the acquisition, consolidation and reproduction of memory.