Root of Chain Fern As Medicine – Ben Cao Medical Book


Woodwardia fimbriata, known by the common name giant chain fern, is a fern species in the family Blechnaceae. Root of chain fern (also known as Rhizoma Cibotii, Chinese: Gou Ji, 狗脊) is a major herbal ingredient in treating rheumatism and relieving pains.

Odour & Nature:

Bitter, neutral, non-toxic,


Root of chain fern functions by influencing the heart, liver and kidney.

Indications & Formulas:

A decoction chain fern roots can be used in treating chronic rheumatism and relieving pains.

Calcined chain fern roots, sappan wood, fresh common monkshood root, vinegar and rice paste are to be made into pills for oral taking to treat various wind-type diseases.

Pills produced with chain fern roots, radix ampelopsis, pilos deer horn, moxa and sticky rice paste can be taken with wine in treating red and white vaginal discharge.

Pills made with chain fern roots, polygala tenuifolia, poria with hostwood, Angelica sinensis and ripe honey can be taken with warm wine to control nocturnal emission.

The Ben Cao Medical Book (also known as Compendium of Materia Medica or Ben Cao Gang Mu; Chinese: 本草纲目) is the most famous and comprehensive medical book ever written in the history of traditional Chinese medicine (TCM). Compiled and written by Li Shi-zhen (1518~1593), a medical expert of the Ming Dynasty (1368-1644) over 27 years.

The Ben Cao Medical Book records and describes all the plants, animals, minerals, and other objects that were believed to have medicinal properties in TCM. The book reflects the pharmaceutical achievements and developments of East Asia before the 16th century. On the basis of his predecessors’ achievements in the pharmacological studies, Li contributed further by supplementing and rectifying many past mistakes and misconception in relate to nature of many medicinal substances and causes of various illnesses. Charles Darwin, originator of the biological theory of evolution, regards the book as the “ancient Chinese encyclopedia”.

Disclaimer: The Ben Cao Medical Book is translated by The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of CTM knowledge and information from the research and experience from the author Li Shi-zhen. Kindly be alert that the CTM knowledge and ancient formulas given above are likely NOT medically proven and may contain misconceptions.

Leave a Reply

Your email address will not be published. Required fields are marked *