治肝肾虚，腰 重痛。并治风湿香港脚。常服壮筋补虚，填精益髓。
杜仲（一斤，炒) 生姜（十两，炒) 破故纸（一斤，炒)
上为末，用胡桃肉一百二十个，汤浸去皮，研成膏，入少熟蜜，丸如梧子大。每服五十
丸，盐酒、盐汤任下，食前服。
治肾经不足，风冷乘之，腰痛如折，或引背膂，俯仰不利，转侧亦难；或役用
过度，劳伤于肾；或寝卧冷湿，地气伤腰；或坠堕伤损，并宜服之。
威灵仙(去土，二两） 桂心 当归（各一两）
上为末，以酒煮糊丸，如梧子大。每服三五十丸，煎茴香汤或炒茴香酒下，食前服；妇
人煎桂心汤下。有孕妇人，不得服。一方，添破故纸、桃仁、地肤子等分。
治五种腰痛。常服补肾，强腰脚，治香港脚。
破故纸(生) 续断 木瓜干 牛膝(酒浸) 杜仲(去皮锉，姜制，炒丝断，各一两） 萆 （二两）
上为末，蜜丸，如梧子大。每服五十丸，盐汤、盐酒任下。
五积散 治感寒湿与脾胃气蔽腰痛最效。(方见伤寒，加桃仁煎)
治坠堕闪肭，腰痛不能屈伸。
大黄(切如豆大) 生姜（各半两，切)
上同炒令焦黄。以水一大盏，浸一宿，五更去滓顿服，天明所下如鸡肝者即恶物出。
治打扑腰痛，恶血蓄瘀，痛不可忍。
橘子(炒去皮)
上一味，研细。每服二钱匕，酒调服；未知再作。或用猪腰子一只，去筋膜，破开入药
，同葱白、茴香、盐、湿纸裹煨熟，细嚼，温酒下。
Treats deficiency of the Liver and Kidney causing heavy and painful loins. It also treats Wind-Dampness-induced Hong Kong Jiao (Gouty Arthritis). Regular consumption strengthens sinews, tonifies deficiency, and fills essence and marrow.
Duzhong (Cortex Eucommiae, one jin, stir-fried), Shengjiang (Fresh Ginger, ten liang, stir-fried), Pogu Zhi (Semen Cistanches, one jin, stir-fried)
Grind the above into powder. Use one hundred and twenty Walnut Kernels (Semen Juglandis), soak in hot water to remove skins, grind into a paste, add a small amount of cooked honey, and form pills the size of mulberry seeds. Take fifty pills per dose, with salted wine or salted water decoction, before meals.
Treats insufficiency of the Kidney Meridian where Cold-Wind pathogens invade, causing low back pain as if broken, possibly radiating to the back and spine, making flexion and extension difficult, and turning hard; or due to overexertion injuring the Kidneys; or sleeping in cold and damp places where Earth Qi harms the waist; or injuries from falls. All are suitable for this prescription.
Weiling Xian (Radix Clematidis, cleaned of soil, two liang), Guixin (Cortex Cinnamomi), Danggui (Radix Angelicae Sinensis, each one liang)
Grind the above into powder, boil with wine to make a paste, and form pills the size of mulberry seeds. Take thirty to fifty pills per dose, with Fennel Seed Decoction or stir-fried fennel wine, before meals; women should use Cortex Cinnamomi Decoction. Pregnant women must not take it. Another formula adds Pogu Zhi, Tao Ren (Semen Persicae), and Difuzi (Fructus Kochiae) in equal parts.
Treats five types of low back pain. Regular consumption tonifies the Kidney, strengthens the waist and legs, and treats Hong Kong Jiao (Gouty Arthritis).
Pogu Zhi (Semen Cistanches, raw), Xuduan (Radix Dipsaci), Mugua Gan (Fructus Chaenomelis dried), Niuxi (Radix Achyranthis Bidentatae, soaked in wine), Duzhong (Cortex Eucommiae, peeled, cut, processed with ginger juice, stir-fried until fibers break, each one liang), Bixie (Rhizoma Dioscoreae Hypoglaucae, two liang)
Grind the above into powder, honey-pelletize, forming pills the size of mulberry seeds. Take fifty pills per dose, with salted water decoction or salted wine.
Wuji San (Five Accumulations Powder) is most effective for low back pain caused by Cold-Dampness invasion and Qi obstruction in the Spleen and Stomach. (Formula see Shanghan section, add Tao Ren decoction)
Treats low back pain from falls and sprains where flexion and extension are impossible.
Dahuang (Radix et Rhizoma Rhei, cut bean-sized), Shengjiang (Fresh Ginger, each half liang, cut)
Stir-fry together until scorched yellow. Soak in one large cup of water overnight. At dawn, strain and take in one dose. By morning, passing stool resembling chicken liver indicates expulsion of evil blood and stasis.
Treats low back pain from blows and bruises, where evil blood accumulates and stasis causes unbearable pain.
Juzi (Pericarpium Citri Reticulatae, stir-fried and peeled)
Grind the single ingredient finely. Take two qian bi per dose, mixed with wine. If ineffective, repeat. Alternatively, use one pig kidney, remove fascia, split open, insert the medicine, wrap with scallion white, fennel, salt, and wet paper, then bake until cooked. Chew thoroughly and swallow with warm wine.