Also known as radix angelicae dahuricae, it actually refers to the roots of Angelica dahurica var. formosana (Boiss.) Yuan et Shan and Angelica dahuricae (Fisch.) Benth. Et Hook. They are collected in next autumn if sowing seed this autumn and about Cold Dew if sowing seed this spring. After dug out, it need to be removed the dirt and fibril, cleaned, and dried in the sun or beside the oven. According to modern nutritional analysis, it contains Byak-angelicin, Byak-angelicol, Oxypencedanin, Phellopterin, Angelic acid, and Angelicotoxin.

WHAT IS IT USED FOR? 
According to Traditional Chinese Medicine, it is acrid, warm, and with ascending and dispersing aroma in nature. It goes to meridians of lung, stomach, and large intestine.

Main functions are to expel pathogenic wind to resolve exterior, expel cold to stop pain, remove dampness to open the orifices, and diminish swelling and discharge pus. Main usage and indications are wind-cold type common cold, Headache, supraorbital pain, toothache, lacrimation due to itchy eye, sinus congestion, prolonged Diarrhea caused by excessive damp, Hematochezia, Leucorrhea with white or reddish discharge, sores and ulcers, itch and scab, and snakebite. Regular dosage is 3 to 10 grams.

RELATED CHINESE HERBAL FORMULAS 
(1). According to Zhu Shi Ji Yan Yi Fang (Classification of Zhu's experiential prescriptions), the powder, the combination with Wu Tou (Aconite Main Root), is mainly for sore eyes and headache.

Angelica root

(2). Bai Zhi Xi Xin Chui Bi San, from Zhong Fu Tang Gong Xuan Liang Fang (Public Selected Effective Prescriptions from Fortune-Planting Clinic), is mainly for migraine. Other individual herbs are Xi Xin (Chinese Wild Ginger), Shi Gao (Gypsum), Ru Xiang (Frankincense), and Mo Yao (Myrrh).

(3). Documented in Dan Xi Xin Fa (Zhu Danxi's Central Methods, literally, "heart" methods), the combination with Huang Qin (Scutellaria) treats supraorbital pain, which is caused by wind-heat and phlegm.

GOOD FOR HEALTHY SKIN 
Modern researches show that it promotes human cells microcirculation and skin metabolism, which accelerate pigment decomposition and remove or lighten flecks. Shen Nong Ben Cao Jing (Shen Nong's Materia Medica) pointed out that this herb helps get healthy skin through whitening and moistening effect so that it is often used as face cream. No wonder both the legendary Mian Zhi Fang, from Bei Ji Qian Jin Yao Fang (Essential Prescriptions Worth a Thousand Gold for Emergencies), and the palace secret recipe of Yu Rong San, exclusively for Empress Dowager Cixi, chose it as the primary herb. Now more and more medical proof is added that this herb has a special effect on treating acne, blackhead, and pimples too.

FOOD THERAPY 
As mention earlier, it also has a high therapeutic value even in everyday soup. It is best known for the soup of Chuan Xiong Bai Zhi Yu Tou Tang. Ingredients of this soup are fish head 1, pork 50g, Chuan Xiong (Szechuan Lovage Root) 3g, Angelica Aahurica 5g, Shan Yao (Chinese Yam) 5g, Gou Ji (Chain Fern Rhizome) 5g, and Dang Shen (Codonopsis Root) 5g. Chinese medicine believes that person with full kidney essence presents vigorousness, quick reaction, good memories, black and shiny hair, and strong teeth. And this soup achieves enhancing kidney essence and invigorating brain through ways of tonifying spleen and benefiting vital energy.