1 TASTE
Bitter, sweet, pungent and slightly warm

2 MERIDIANS
Liver and kidney

3 FUNCTIONS
1. To tonify the liver and kidneys; 2. To promote the circulation of blood; 3. To strengthen the bones and tendons

4 INDICATIONS
1. Deficiency of the liver and kidneys manifested as soreness and pain in the lower back and knees or weakness of the legs. Teasel root (Xu Duan) is used with Eucommia bark (Du Zhong)and Cyathula root (Niu Xi)    2. Derangement of Chong and Ren meridians due to deficient liver and kidneys manifested as profuse menstrual flow, uterine bleeding and threatened abortion(restless fetus). Teasel root (Xuduan)is used with Eucommia bark (Duzhong), Donkey hide gelatin (E Jiao), Mugwort leaf(Ai Ye), Astragalus root (Huang Qi)and Chinese angelica root (Dang Gui).    3. External injury. Teasel root (Xuduan)is used with Drynaria (Gu Sui Bu)and Dragon blood (Xue Jie) for reducing swelling and stopping pain.

5 DOSAGE
10-20g

6 COUTIONS
The fried herb is used for uterine bleeding and the powdered herb for external use.