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To treat Kidney deficiency complicated by invasion of Wind, Cold, and Dampness.
Duhuo (Radix Angelicae Pubescentis), Sangjisheng (Ramulus Taxilli), Fangfeng (Radix Saposhnikoviae), Qinjiao (Rhizoma Gentianae Macrophyllae), Weilingxian (Herba Clematidis), Niuxi (Radix Achyranthis Bidentatae) (each 1 qian), Guixin (Cortex Cinnamomi Cassiae, 5 fen), Xixin (Radix Asari), Gancao (Radix Glycyrrhizae Uralensis, roasted, each 3 fen), Danggui (Radix Angelicae Sinensis), Jinmao Gouji (Rhizoma Cibotii Barometz) (each 2 qian). Add two slices of Shengjiang (Rhizoma Zingiberis Recens), decoct in water and take orally.
Danxi stated: For chronic lower back pain, Guan Gui (Cortex Cinnamomi Cassiae) must be used to unblock the meridians for the pain to cease. In cases of severe Cold, Fuzi (Radix Aconiti Lateralis Preparata) should be added. However, if there is Damp-Heat, neither of these two herbs is suitable.
Cangbai Erchen Tang (Two-Crude Two-Chen Decoction) (see Stroke-like syndromes).

To treat internal accumulation of Blood stasis due to sprains, falls, or blows, where turning or shifting causes pain as sharp as a knife or awl piercing.
Zelan (Herba Lycopus Lucidus), Danpi (Cortex Moutan Radicis), Niuxi (Radix Achyranthis Bidentatae) (each 2 qian), Taoren (Semen Persicae, peeled and core removed, ground, 10 grains), Honghua (Flos Carthami Tinctorii, 5 fen), Dangguiwei (Radix Angelicae Sinensis tail, 5 qian), Guang Sanqi (Radix Notoginseng, 1 qian), Chishaoyao (Radix Paeoniae Rubra, 1.5 qian). Decoct in water, take with hot Jiu (Alcohol).
If urination and defecation are obstructed, add Jiuzheng Dahuang (Radix Rhei Palmati, steamed with wine, 3 qian); in cases of severe trauma with obstruction of urination and defecation, only Dahuang can save the patient. If stool has already passed, then use Guang Sanqi decocted in wine, or Shan Yangxue (Blood of Capra Hircus) mixed with wine, or Qingmuxiang (Radix Aucklandiae) decocted in wine; using any one of these will immediately stop the pain.
Juhe Wan (Orange Seed Pill) (see Lower Abdominal Pain).
Fuling Wan (Poria Pill) (see Arm and Shoulder Pain).
Liujunzi Tang (Six-Gentlemen Decoction) (see Stroke-like syndromes).
Liuwei Wan (Six-Ingredient Pill with Rehmannia Root), Bawei Wan (Eight-Ingredient Pill with Rehmannia Root) (see Consumption syndrome).

To treat Heat in Kidney Qi, causing weakness and softness of the waist, fearing it may develop into Bone Withering (Gu Wei).
Shudi (Radix Rehmanniae Preparata, 3 liang), Danpi (Cortex Moutan Radicis), Tiandong (Radix Asparagi), Danggui (Radix Angelicae Sinensis), Gouqizi (Fructus Lycii), Niuxi (Radix Achyranthis Bidentatae), Shanyao (Rhizoma Dioscoreae Oppositae), Nvzhenzi (Fructus Ligustri Lucidi), Fuling (Poria), Guiban (Carapax et Plastrum Testudinis), Duzhong (Cortex Eucommiae Ulmoidis), Xuduan (Radix Drynariae) (each 1.2 liang), Renshen (Radix Ginseng), Huangbai (Cortex Phellodendri Amurensis) (each 5 qian).

Bi Syndrome refers to pain. When Wind, Cold, and Dampness mix and invade together, they form Bi Syndrome. When Wind predominates, it is called Moving Bi (Xing Bi), characterized by wandering pain without fixed location. When Cold predominates, it is called Painful Bi (Tong Bi), characterized by contraction and pain of sinews and bones. When Dampness predominates, it is called Fixed Bi (Zhuo Bi), characterized by edema, heaviness, and drooping sensation. Since it is termed "predominance," the pathogenic factors have specific biases. To treat Moving Bi, dispelling Wind is primary, assisted by eliminating Cold and Dampness; generally, blood-nourishing formulas are incorporated, following the principle that treating Wind requires first treating the Blood; when Blood flows, Wind extinguishes itself. To treat Painful Bi, dispelling Cold is primary, assisted by dispersing Wind and drying Dampness; generally, Fire-warming formulas are incorporated, following the principle that Heat promotes flow while Cold causes stagnation; free flow means no pain, pain means obstruction. To treat Fixed Bi, drying Dampness is primary, assisted by expelling Wind and scattering Cold; generally, Spleen-tonifying formulas are incorporated, because when Earth (Spleen) is robust, it overcomes Dampness, and sufficient Qi eliminates numbness and stiffness. The general treatment uses Juanbi Tang (Eliminate Bi Decoction) with modifications; for severe pain, Songzhi Jiu (Pine Branch Wine) is added as an adjunct. There is also a condition where Bi Syndrome persists for a long time, resulting in withered and thin legs and feet, but swollen knees, named Crane Knee Wind (Hexi Feng). This is due to deficiency of the Three Yin channels, with Cold pathogens invading the collaterals, leading to this syndrome. It is appropriate to take Hugujiao Wan (Tiger Bone Gelatin Pill) and apply Puji Wanquan Gao (Universal Salvation Plaster) externally, so that gradual recovery can occur. If this opportunity is missed and not treated, it becomes a stubborn disease, rendering the person disabled.