Commentary states: The Spleen belongs to Earth. When Earth Qi is weak, it cannot control Water. Patients with Xiao Ke (Wasting and Thirsting Syndrome) drink excessive amounts of water, causing the Spleen Earth to be dampened and lose its controlling function. Consequently, Water overflows and moves recklessly between the skin and muscles, accumulating to form edema, distension, and fullness, thereby evolving into Shui Bing (Water Disease).

Formula for treating limb edema, dysuria, and gradual progression to water disease after Xiao Ke: Zhu Ling San (Polyporus Powder).
Herbs: Zhu Ling (Polyporus), Ren Shen (Ginseng Radix et Rhizoma) (each 3 fen); Mu Tong (Akebiae Caulis), Huang Lian (Coptidis Rhizoma) (1 liang 1 fen, crushed); Mai Men Dong (Ophiopogonis Tuber), Gua Lou Gen (Trichosanthis Radix) (each 2 liang).
Preparation and Administration: The above six herbs are crushed, sifted, and made into a fine powder. Take one qian bi per dose, mixed with warm Jiang Shui (fermented rice water). Administer three times daily, until recovery.

Formula for treating impending water qi disease characterized by facial and lower limb edema and dysuria after Xiao Ke: Qu Mai Tang (Dianthus Decoction).
Herbs: Qu Mai Sui (Dianthi Flos), Hua Shi (Talcum), Ze Xie (Alismatis Rhizoma) (each 0.5 liang); Fang Ji (Stephaniae Tetrandrae Radix) (3 fen); Da Huang (Rhei Radix et Rhizoma, crushed and stir-fried); Huang Qin (Scutellariae Radix) (1 fen, black heart removed); Sang Piao Xiao (Mantis Ootheca) (fried, 14 pieces).
Preparation and Administration: The above seven herbs are coarsely crushed and sifted. Take three qian bi per dose, add one zhan of water, decoct to 0.7 zhan, remove dregs, and take warm on an empty stomach. Repeat administration after a while.

Formula for treating frequent drinking with vomiting and regurgitation, emaciation, and impending water disease after Xiao Ke: Fu Ling San (Poria Powder).
Herbs: Chi Fu Ling (Poria with Red Cortex, black skin removed), Gua Lou Gen (Trichosanthis Radix), Mai Men Dong (Ophiopogonis Tuber, heart removed and dried) (each 1.5 liang); Sheng Ma (Cimicifugae Rhizoma) (1 liang); Sang Gen Bai Pi (Mori Cortex) (crushed, 2 liang).
Preparation and Administration: The above six herbs are crushed, sifted, and made into a fine powder. Take one qian bi per dose, mixed with clear water. Administer twice daily.

Formula for treating generalized edema and chest-diaphragm discomfort after Xiao Ke: Zi Su Tang (Perilla Decoction).
Herbs: Zi Su Jing Ye (Perillae Caulis et Folium), Sang Gen Bai Pi (Mori Cortex, crushed), Chi Fu Ling (Poria with Red Cortex, black skin removed) (each 1 liang); Ling Yang Jiao (Saigae Tataricae Cornu, shaved); Bin Lang (Arecae Semen), Mu Xiang (Aucklandiae Radix), Gui Zhi (Cinnamomi Ramulus, bark removed), Du Huo (Angelicae Pubescentis Radix) (each 3 fen); Zhi Ke (Aurantii Fructus, pith removed, bran-fried), Yu Li Ren (Pruni Semen, soaked in hot water, skin and tip removed, fried) (2 liang).
Preparation and Administration: The above ten herbs are coarsely crushed and sifted. Take four qian bi per dose, add one and a half zhan of water and half a fen of sliced fresh ginger, decoct to 0.8 zhan, remove dregs, and take warm. No specific time restriction.

Formula for treating obstruction of San Jiao (Triple Burner) Qi circulation, diaphragmatic stagnation with water retention, failure of water to descend to the Kidney, and muscle wasting due to Xiao Ke manifesting as urine production: Fu Ling Tang (Poria Decoction).
Herbs: Chi Fu Ling (Poria with Red Cortex, black skin removed), Ze Xie (Alismatis Rhizoma), Mai Men Dong (Ophiopogonis Tuber, heart removed and dried), Du Zhong (Eucommiae Cortex, bark removed and roasted) (each 2 liang); Sang Bai Pi (Mori Cortex, crushed) (3 liang); Gui Zhi (Cinnamomi Ramulus).
Preparation and Administration: The above seven herbs are coarsely crushed and sifted. Take six qian bi per dose, add two zhan of water, three cracked jujubes, and five finely cut stalks of Scallion White (Xie Bai). Decoct to one zhan, remove dregs, and divide into two doses to take warm on an empty stomach. Re-administer after walking approximately five kilometers (ten li), and again at night. This medication resolves water internally without inducing vomiting or diarrhea. If after one dose the body fluids remain unsmoothed, blood vessels un-circulated, and skin/muscles un-moistened, administer another dose.

Formula for treating dryness of body fluids, bodily flaccidity/edema, and impending water disease following the resolution of Xiao Ke: Fang Ji Wan (Stephania Pill).
Herbs: Fang Ji (Stephaniae Tetrandrae Radix), Zhu Ling (Polyporus, black skin removed), Yu Li Prunus Semen (Pruni Semen, soaked in hot water, skin and tip removed, fried), Xing Ren (Armeniacae Semen Amarum, skin and tip removed, double-kernel fried) (each 1.5 liang), Gua Lou Gen (Trichosanthis Radix).
Preparation and Administration: The above nine herbs are ground into a fine powder and formed into pills the size of Sophora seeds using refined honey. Take twenty pills per dose, swallowed with Jiang Shui (fermented rice water) on an empty stomach, once daily. Continue until swelling subsides and urination becomes smooth.

Formula for treating head, face, foot, and knee edema, gastric deficiency preventing food intake, chest discomfort, and occasional vomiting/regurgitation after Xiao Ke: Chi Fu Ling Tang (Red Poria Decoction).
Herbs: Chi Fu Ling (Poria with Red Cortex, black skin removed), Zi Su Zi (Perillae Fructus), Bai Zhu (Atractylodis Macrocephalae Rhizoma), Qian Hu (Peucedani Radix, rhizome removed), Ren Shen (Ginseng Radix et Rhizoma), Chen Pi (Citri Reticulatae Pericarpium, soaked in hot water, white pith removed, dried) (each 1 liang).
Preparation and Administration: The above ten herbs are coarsely crushed and sifted. Take three qian bi per dose, add one and a half zhan of water, half a fen of smashed fresh ginger, and two cracked jujubes. Decoct to one zhan, remove dregs, and take warm. No specific time restriction.