“…Banlangen (Radix Isatidis) is an official herbal medicine with the part of anti-virus, anti-endotoxin, antiinflammatory and improve immune system and grows in various parts of China (Chen et al, 2011;Du et al, 2013;Li and Yang, 2014). Studies have shown that the drawing material of R. Isatidis had a strong effect as antiviral, and which is often used in preventing virus or bacterial infection in clinical practice, and therefore, the R. Isatidis is considered to prevent diseases of pestilent maculae, fever headache, swollen-head infection, scarlet fever, pharyngitis, chicken pox, measles,hepatitis and flu (Huang, 2009;Guo et al, 2011;Xiao et al, 2014;Chen et al, 2015).…”