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Tang Yunzhou Prefecture Inspector Wang Shaoyan recorded in *Chuanxin Fang*: In earlier years, while I was in Gusu, I suffered from severe lower back pain that was unbearable. The physician diagnosed it as kidney injury with wind-toxin attacking and stabbing. Upon taking one dose of this prescription, the pain decreased by five-tenths, and my gait gradually became lighter.

*Niuxi* (Achyranthis Bidentatae Radix), *Chuanxiong* (Ligusticum Chuanxiong Rhizoma), *Qianghuo* (Notopterygii Rhizoma et Radix), *Digupi* (Boroniae Cortex), *Wujiapi* (Acanthopanacis Cortex), *Yiyiren* (Coicis Semen) (each 1 liang), *Gancao* (Glycyrrhizae Radix et Rhizoma), *Shengdihuang* (Rehmanniae Radix) (10 liang), *Haitongpi* (Sarcandae Cortex) (2 liang).
Crush the above ingredients into a coarse powder. Wrap them in silk and soak them in 2 dou of unadulterated wine. Soak for fourteen days in winter; in summer, take doses incrementally, soaking for three to five nights. Take one cup per dose, three to four cups daily, ideally maintaining a continuous sensation of alcohol in the body. Another method: add 1 liang of *Duzhong* (Eucommiae Cortex), stir-fried until the fibers break.

For wind-cold injuring the kidney, causing lower back pain and inability to flex or extend. Also tonifies kidney deficiency.
*Duzhong* (Eucommiae Cortex) (1 jin, sliced, processed with ginger juice, stir-fried until fibers break).
Soak the above ingredients in 3 sheng of unadulterated wine for ten days. Take 2-3 he per dose, four to five times daily. Another method: grind into fine powder, mix with warm wine to take 1 qian, on an empty stomach.

For kidney deficiency injured by dampness, where dampness stagnates causing disease: heavy body, cold sensation in the waist as if washed with water, no thirst, normal urination, normal appetite, cold pain below the waist, heaviness as if wearing a belt of five thousand coins.
*Ganjiang* (Zingiberis Rhizoma, processed), *Fuling* (Poria) (each 4 liang; another method: *Fuling* and *Baizhu* each 4 liang, *Ganjiang* and *Gancao* each 2 liang), *Gancao* (Glycyrrhizae Radix et Rhizoma, honey-fried), *Baizhu* (Atractylodis Macrocephalae Rhizoma) (each 2 liang).
Crush the above ingredients into a coarse powder. Take 4 daqian per dose, with 1.5 zhan of water, decoct to 0.7 portion, take cold on an empty stomach. Also highly effective for spontaneous sweating due to weak constitution.

For kidney deficiency injured by cold, where cold qi enters the kidney, pain feels like pulling or twitching.
*Lujiaoxie* (Cornu Cervi Pantotrichum, processed with butter), *Fuzi* (Aconiti Lateralis Radix Praeparata, processed) (2 liang), *Guixin* (Cinnamomi Ramulus) (3 fen).
Grind the above ingredients into powder, make pills with wine paste, size of wutong seeds. Take 30-50 pills with salted wine, on an empty stomach.

For kidney deficiency lower back pain, impotence, knee bone pain, tinnitus, dry mouth, dark complexion, withered and dry earlobes.
*Boguzhi* (Psoraleae Fructus, stir-fried), *Huluba* (Trigonellae Semen, stir-fried), *Huixiang* (Foeniculi Fructus, stir-fried), *Chuanlian* (Meliosmae Fructus, stir-fried), *Xuduan* (Dipsaci Radix, stir-fried) (each 3 liang), *Taoren* (Persicae Semen, bran-fried, skin and tips removed, separately ground), *Xingren* (Armeniacae Semen Amarum, processed as above), *Shanyao* (Dioscoreae Rhizoma, stir-fried and sliced), *Fuling* (Poria) (each 2 liang).
Grind the above ingredients into powder, make pills with honey, size of wutong seeds. Take 50 pills with salted water, on an empty stomach.