Erfang Decoction，*The Correct Transmission of Medicine*, Volume 3.，“Crane-Knee Wind” (Hexi Feng) results from exposure to cold and dampness following dysentery, or from wading through water or walking on frost, leading to pain and numbness in both feet—as if being cut by a knife or bitten by a tiger—with swelling of the knee joints and an inability to walk.
Erfang Decoction
Disclaimer: These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease. All references in this article to TCM syndrome differentiation, herbal medicines, teas, and decoctions are intended to promote TCM culture and are provided solely for educational and reference purposes.
Formulas Name : Erfang Decoction
Chinese Name : 二防饮
Drug Formulation
1 qian of ginseng, 1 qian of white atractylodes, 1 qian of astragalus, 5 fen of licorice (roasted),Chuan Gui 1 qian, Chuanxiong 1 qian, Shaoyao 1 qian, Shu Dihuang 1 qian, Fangfeng 7 fen, Fangji 7 fen, Qianghuo 7 fen, Niuxi 7 fen, Duzhong (stir-fried with ginger juice) 1 qian, Beixie 1 qian, Fuzi (soaked in a child’s urine for 3 days, peel and navel removed) 7 fen (1 qian in winter).
Source
*The Correct Transmission of Medicine*, Volume 3.
Processing
Finely chop the ingredients and prepare as a single dose.
Benefits
“Crane-Knee Wind” (Hexi Feng) results from exposure to cold and dampness following dysentery, or from wading through water or walking on frost, leading to pain and numbness in both feet—as if being cut by a knife or bitten by a tiger—with swelling of the knee joints and an inability to walk.
Instructions for Use
Add 3 slices of fresh ginger and 2 jujubes; boil with 2 zhan of water until reduced to 1 zhan; strain and take warm on an empty stomach.
Copyright: Excerpt from *The Correct Transmission of Medicine*, Volume 3., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 24, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 24, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 24, 2026
Correct Content Errors: Errors may occur during the writing, editing, translation, and publication of website content. If you find any errors or inaccurate information in this article, please feel free to Contact Us to report them, and we will correct them promptly.
FDA Disclaimer: The descriptions of the efficacy of Chinese herbal medicines, herbal teas, decoctions, and formulas, as well as the content on Traditional Chinese Medicine (TCM) diagnostic theory and traditional TCM therapies contained on this site, are intended solely for the purpose of popularizing TCM culture and serving as an educational reference; they do not constitute medical diagnosis or treatment advice. Please do not attempt to use these products on your own without proper guidance. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. If you are experiencing any physical discomfort, please consult a licensed healthcare professional and seek treatment at a reputable medical institution. This platform assumes no responsibility for any consequences resulting from the use of herbs or formulas by any individual based on the information provided on this site. Please read Medical Disclaimer.
Erfang Decoction,“Crane-Knee Wind” (Hexi Feng) results from exposure to cold and dampness following dysentery, or from wading through water or walking on frost, leading to pain and numbness in both feet—as if being cut by a knife or bitten by a tiger—with swelling of the knee joints and an inability to walk.