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Discussion: When there is water qi in the Sanjiao (Triple Burner), it is due to the stagnation and obstruction of Qi, causing internal congestion in the Sanjiao, which serves as the official responsible for the drainage of water passages. Normally, water gathers in the Stomach, and Qi facilitates its transformation and distribution. However, when the ascending and descending movements of Qi are dysfunctional, water accumulates and fails to move, leading to dampness invading the Spleen Meridian. Consequently, symptoms such as abdominal fullness and edema appear. The treatment should focus on guiding and moving the Qi; once Qi flows freely, water will naturally drain.

For treating accumulated Qi in the Sanjiao that gradually evolves into a water disease, characterized by abdominal distension and edema of the four limbs, with the effect of widening the chest and diaphragm and promoting urination through the Small Intestine: Binglang Tang (Areca Nut Decoction).
Ingredients: Areca Seed (Binglang, raw and crushed), Betel Nut Peel (Dafupi, crushed), Atractylodes Macrocephala Rhizome (Baizhu), Schisandra Berry (Wuweizi, stir-fried), Bitter Orange (Zhiqiao, pith removed and stir-fried with bran), Astragalus Root (Huangqi, crushed), Stephania Tetrandra Root (Fangji), Akebia Stem (Mutong, crushed), Mulberry Root Bark (Sangbaipipi), Tangerine Peel (Chenjuapi, soaked in hot water, white pith removed, and dried), Magnolia Bark (Noupi, outer bark removed and stir-fried with ginger juice).
Preparation: The above fifteen ingredients are coarsely pounded and sieved. Each dose consists of 3 qianbi (approx. 9g), boiled with one sheng (approx. 200ml) of water, three slices of fresh Ginger (Shengjiang), and two Jujubes (Zao) split open. Simmer until reduced to 70%, strain, and take warm. Take in the morning and before bedtime.

For treating dysfunction of the Sanjiao, where pathogenic factors ascend to the Lung, causing intermittent wheezing and coughing, bodily edema, and restlessness in sitting or lying down: Zeqi Tang (Euphorbia Lathyris Decoction).
Ingredients: Euphorbia Lathyris Stem (Zeqi), Stephania Tetrandra Root (Fangji), Lepidium Seed (Tinglizi, stir-fried on paper), Apricot Kernel (Yuliren, soaked in hot water, skin removed, and stir-fried, each half liang), Lily Bulb (Baihe), Tangerine Peel (Chenjuapi, soaked in hot water, white pith removed).
Preparation: The above nine ingredients are coarsely pounded and sieved. Each dose consists of 3 qianbi, boiled with one sheng of water and two split Jujubes. Simmer until reduced to 70%, strain, and take warm. Take at any time.

For treating water qi in the Sanjiao, causing chest and epigastric fullness and anorexia, with the effect of resolving phlegm and restoring appetite: Fuling Yin (Poria Decoction).
Ingredients: Red Poria (Chifuling, black skin removed), Ginseng Root (Renshen), Atractylodes Macrocephala Rhizome (Baizhu), Fresh Ginger (Shengjiang, sliced, each 3 liang), Immature Bitter Orange (Zhishi, pith removed and stir-fried with bran, 2 liang), Tangerine Peel (Chenjuapi, soaked in hot water...).
Preparation: The above six ingredients are cut like hemp seeds. Each dose consists of 5 qianbi, boiled with one and a half sheng of water until reduced to one sheng. Strain and take warm. Take at any time.

For treating water qi in the Sanjiao, causing distending fullness in the chest and hypochondrium, and dizziness: Fuling Tang (Poria Decoction).
Ingredients: Red Poria (Chifuling, black skin removed, 4 liang), Cinnamon Twig (Guizhi, outer bark removed), Atractylodes Macrocephala Rhizome (Baizhu), Licorice Root (Gancao, honey-stir-fried, each 3 liang).
Preparation: The above four ingredients are coarsely pounded and sieved. Each dose consists of 5 qianbi, boiled with one and a half sheng of water until reduced to one sheng. Strain and take warm. Take at any time.

For treating irregular flow of Qi in the Sanjiao, causing epigastric stuffiness and fullness, fluid retention between the diaphragm, dizziness, and palpitations: Xiao Banxia Jia Fuling Tang (Minor Pinellia Decoction plus Poria).
Ingredients: Pinellia Tuber (Banxia, washed in hot water to remove slipperiness and dried, 5 liang), Fresh Ginger (Shengjiang, half jin), Red Poria (Chifuling, black skin removed, 3 liang).
Preparation: The above three ingredients are cut like hemp seeds. Each dose consists of 5 qianbi, boiled with two sheng of water until reduced to one sheng. Strain and take warm. Take at any time.

For treating obstruction of Qi in the Sanjiao, characterized by epigastric and abdominal distension, panting, and difficulty in defecation and urination: Gansui San (Kansui Powder).
Ingredients: Kansui Root (Gansui, raw, half liang), Morning Glory Seed (Qianniuzi, half raw and half stir-fried), Spurge Seed (Xuisuizi, shell removed and ground), Great Euphorbia Root (Daji, each 1 liang), Lepidium Seed (Tinglizi, stir-fried on paper, 1 fen).
Preparation: The above five ingredients are pounded and sifted into a powder. Each dose consists of half a qianbi, taken on an empty stomach mixed with thickly decocted Juncus Decoction (Dengxin Tang). The goal is to promote the discharge of water. If symptoms do not subside, administer another dose.

For treating severe water qi in the Sanjiao, resulting in flaccid edema of the four limbs: Gansui San (Kansui Powder).
Ingredients: Kansui Root (Gansui, half liang), Areca Seed (Binglang, raw and crushed), Costus Root (Muxiang), Morning Glory Seed (Qianniuzi, half raw and half stir-fried), Radish Seed (Laifuzi, ground, each 1 liang).
Preparation: The above five ingredients are pounded and sifted into a powder. Each dose consists of half a qianbi, taken on an empty stomach mixed with Perilla and Papaya Decoction. The goal is to promote the discharge of water. Dosage should be adjusted according to the patient's deficiency or excess condition.