The main components of Blue Scutellaria Oral Liquid are Astragalus, Phellodendron, Mast, Panax quinquefolium, Fatty sea and so on. It belongs to a kind of Chinese patent medicine oral medicine, which Astragalus has the efficacy of clearing heat and drying dampness, dipping fire and detoxifying toxins. Astragalus also has the efficacy of dipping fire and removing steam, clearing heat and drying dampness, detoxifying and healing sores. The mast has the effect of protecting the liver and gallbladder, calming and lowering blood pressure, stopping bleeding and reducing swelling. Panax quinquefolium plays the effect of clearing heat and detoxifying, cooling the blood and improving the throat. Fatty sea has the efficacy of lowering blood pressure, moistening the throat and dissolving phlegm. Blue Scutellaria Oral Liquid is clinically indicated for patients with solid heat evidence of lung and stomach, dry throat, sore throat and burning throat caused by acute pharyngitis with these symptoms. This medicine sums up, it has the effect of clearing heat and detoxifying the toxin, and reducing swelling of the throat.