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Wind, cold, and dampness pathogenic factors mix and invade the body, combining to form Bi syndrome (obstruction syndrome). If this occurs in the area governed by Zhi Yin (Spleen), it is called Ji Bi (Muscle Bi). Its manifestations include skin lacking nourishment and luster, muscle numbness, and loss of sensation.

Prescription:
Tianma Wan (Cinnamon Twig Pill) [Source: *Shengji Zonglu*]. Treats muscle obstruction, limb fatigue and weakness, aversion to wind, headache, stiffness of the tongue root, and slurred speech.
Ingredients: Gastrodiae Rhizoma (Tianma), Angelicae Pubescentis Radix (Duhuo, de-radicle, each 1 liang), Ginseng Radix et Rhizoma (Renshen), Saposhnikoviae Radix (Fangfeng, de-cortex, each 3 fen), Cinnamomi Ramulus (Guizhi, de-cortex), Aconiti Lateralis Radix Praeparata (Fuzi, de-cortex and umbilicus), Ephedrae Herba (Mahuang, de-joints), Coicis Semen (Yiyiren), Scorpio (Quanxie, detoxified), Bombyx Batryticatus (Jiangcan, stir-fried, each 3 fen), Calculus Bovis (Niuhuang, ground), Moschus (Shexiang, separately ground, 0.5 liang), Borneolum Syntheticum (Longnao, separately ground, 1 fen). Except for Borneolum Syntheticum, grind the remaining herbs into powder, mix with Borneolum Syntheticum, and make pills the size of Sophora japonica seeds. Take one pill per dose with warm wine, up to ten pills.

Shinan San. Treats extreme internal heat causing a sensation like mice running under the skin. Or symptoms resembling Wind-Bi, with dry lips and mouth. Changes in skin color. Mainly treats severe wind diseases.
Ingredients: Pyrolae Folium (Shinan), Dioscoreae Rhizoma (Shuyu), Paeoniae Radix Alba (Shaoyao, another version uses Glycyrrhizae Radix et Rhizoma), Aconiti Radix (Tianxiong), Persicae Flos (Taohua, another version uses Persicae Semen), Chrysanthemi Flos (Gan Juhua, each 1 liang), Astragali Radix (Huangqi), Pruni Armeniacae Semen (Ruiren, each 1.5 liang). Cut the herbs, grind and sieve them. Take one Fangcunbi with wine, twice daily, before meals.

Mahuang Tang (Ephedra Decoction) [Source: *Shengji Zonglu*]. Treats skin itching and discomfort, sensation like mice running on limbs, depletion of body fluids, open pores, and profuse sweating. This belongs to Pi Feng (Spleen Wind).
Ingredients: Ephedrae Herba (Mahuang, de-roots and joints, decoct to remove foam, bake dry), Aurantii Fructus Immaturus (Zhishi, de-albedo, stir-fried with flour until slightly yellow), Asari Radix et Rhizoma (Xixin, de-seeds and leaves), Atractylodis Macrocephalae Rhizoma (Baizhu), Saposhnikoviae Radix (Fangfeng, de-cortex, each 3 liang), Angelicae Sinensis Radix (Danggui, cut and bake), Paeoniae Radix Alba (Shaoyao). Decoct in water, strain, take warm, at any time.

Xixin Tang (Asari Decoction) [Source: *Shengji Zonglu*]. Treats Ji Bi with skin itching like insects crawling, or loose pores, sweating, dull skin luster, and dry lips and nose.
Ingredients: Asari Radix et Rhizoma (Xixin, de-seeds and leaves), Saposhnikoviae Radix (Fangfeng, de-cortex), Atractylodis Macrocephalae Rhizoma (Baizhu, processed, de-cortex), Cinnamomi Ramulus (Guizhi, de-cortex), Gypsum Fibrosum (Shigao, ground), Ephedrae Herba (Mahuang, de-roots and joints, processed and baked, each 2 liang). Cut into pieces the size of soybeans. Take 5 qian per dose with one cup of water and one slice of ginger, decoct to 7/10 volume, strain, take warm, without restriction on time.

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Ingredients: Ephedrae Herba (Mahuang, de-roots and joints, decoct to remove foam, bake dry), Angelicae Sinensis Radix (Danggui, cut and bake), Gypsum Fibrosum (Shigao, ground, each 2 liang), Ligustici Chuanxiong Rhizoma (Chuanxiong), Cinnamomi Ramulus (Guizhi, de-cortex), Glycyrrhizae Radix et Rhizoma (Gancao, honey-fried). Add one cup of water and one slice of ginger, decoct...