Radix Scrophulariae is the root of Scrophulariaceae perennial herb, mainly produced in Zhejiang, Sichuan, Hubei and other places. Alias: Radix Scrophulariae, Radix Scrophulariae, Radix Scrophulariae, and Radix Scrophulariae. Bitter and salty. Slightly cold. Non-toxic Is the northern water vapor. Have the sum of spring and yang to live. It can go up or down. Yin also. Evil yellow, dried ginger, fennel, hawthorn. Anti-veratrum. Don't commit copper and iron. Indications: febrile diseases, blood-nourishing, body heat, polydipsia, crimson tongue, macula, bone steaming and cough, vexation, constipation due to body fluid injury, blurred vision, sore throat, scrofula and phlegm, carbuncle and sore.