Function: 1. It has the function of removing heat and damp, relieving fire and eliminating toxins. 2. It has the function of anti-inflammatory, antibacterial, antiviral, and antigens worm; And it has obvious inhibition to influenza viruses. 3 It has the function of relaxing vascular smooth muscle, and anti diarrhea. 4. It has the function of resisting arrhythmia, lowering presue, and regulating blood level. 5. With the function of cholagogue, it can increase bile secreted. 6. Having anti cerebral ischemia effect, it can anti-oxygen free radical and reduce cerebral inland.