论曰小肠者受盛之官，心之腑也，手太阳其经也。其气盛则为有余，故左手寸口人迎以
前脉阳实者，小肠实也，实则生热，是故有身热来去，口疮心烦，身重汗不出，小便不利之
证，治宜泻之。
治小肠实热，脉气盛实，小便下血。麦门冬汤方
麦门冬（去心焙） 知母 蒲黄 黄芩（去黑心） 木通（锉） 升麻（各一分） 大
黄（锉炒三分）
上七味。粗捣筛，每服三钱匕。水一盏，煎至八分，去滓食后温服。
治小肠实热，小便赤涩疼痛。射干汤方
射干 黄芩（去黑心） 麦门冬（去心焙） 大黄（锉炒） 知母 木通（锉等分）
上六味。粗捣筛，每服三钱匕。水一盏，入葱白五寸切碎，同煎至八分，去滓食后温服，
以利为度。若三服以上未通，急煎芎 汤一盏投之即下，自早至夜，可两服。
治小肠实热，小便黄赤，结涩不通。瞿麦汤方
瞿麦穗 犀角（镑） 猪苓（去黑皮） 防己（各三分） 黄连（去须） 车前子 木
通（锉各一两） 甘草（炙锉半两）
上八味。粗捣筛，每服三钱匕。以水一盏，煎取七分，去滓温服，不拘时候。
治小肠实热，心烦口疮，小便赤涩。犀角汤方
犀角（镑） 瞿麦穗 杏仁（去皮尖双仁麸炒） 栀子（去皮） 赤茯苓（去黑皮） 木
通（锉） 黄连（去须各三分） 白茅根（一分锉） 甘草（炙锉半两） 麦门冬（去心焙
一两）
上一十味。粗捣筛，每服三钱匕。水一盏，入竹叶二七片，煎至六分，去滓温服，不计
时候。
治下焦滞热，阴中疼痛，小便难涩。滑石散方
滑石（一两研） 甘草（炙锉） 大黄（锉炒） 黄 （锉） 地椒 山栀子（去皮各
半两） 乳香（一钱研）
上七味，捣研为散，食前乳香酒调下一钱匕，未愈再服。
治小肠实热，头面赤多汗，小腹急痛。赤茯苓汤方
赤茯苓（去黑皮） 麦门冬（去心焙） 赤芍药 槟榔（锉） 生干地黄（锉） 木通
（锉） 黄芩（去黑心各
上八味。粗捣筛，每服四钱匕。水一盏，煎取八分，去滓温服，不拘时候。
治小肠实热，心中烦闷，小便血出。地黄汤方
生地黄 白茅根（各半两） 葱白（二茎）
上三味，锉如麻豆大，水三盏，煎至一盏半，去滓食前分温二服。
治小肠风热，小便黄赤，涩结不通。胡荽汤方
胡荽 车前子 木通（锉） 防己 瞿麦穗 犀角（镑） 黄连（去须各等分）
上七味。粗捣筛，每服五钱匕。水一盏半，煎至八分，去滓食后温服，日三。
治小肠实热，心下急痹，口舌生疮。郁金散方
郁金（一两） 白附子（炮半两） 羌活（去芦头三分） 甘草（炙锉半两） 黄连（去
须一分） 黄芩（去黑心半两） 侧柏（半两） 大黄（锉炒） 干蝎（去土炒各半两）
上九味，捣罗为细散，拌和匀，每服二钱匕，食后薄荷熟水调下，生姜蜜汤下亦得。
论述说：小肠是受盛之官，是心的腑，属于手太阳经。如果其气过盛则为有余证，所以左手寸口人迎以前的脉象表现为阳实者，即为小肠实证。实证会产生热邪，因此会出现身体发热时轻时重、口腔溃疡、心烦意乱、身体沉重且无汗、小便不利等症状，治疗应当采用泻法。
治疗小肠实热证，脉气盛大坚实，小便下血。麦门冬汤方：
麦门冬（去除心部并焙干）、知母、蒲黄、黄芩（去除黑色部分）、木通（切碎）、升麻（各一分）、大黄（切碎并炒制三分）。
以上七味药。粗捣筛碎，每次服用三钱匕。用水一盏，煎煮至八分，去渣后在饭后温服。
治疗小肠实热证，小便颜色深红、排尿涩痛。射干汤方：
射干、黄芩（去除黑色部分）、麦门冬（去除心部并焙干）、大黄（切碎并炒制）、知母、木通（切碎，以上各等分）。
以上六味药。粗捣筛碎，每次服用三钱匕。用水一盏，加入五寸长的葱白切碎，一同煎煮至八分，去渣后在饭后温服，以大便通畅为度。如果服用三次以上仍未通畅，急煎芎䓖汤一盏服用即可通便，从早到晚，可以服用两次。
治疗小肠实热证，小便黄赤，凝结涩滞不通。瞿麦汤方：
瞿麦穗、犀角（镑片）、猪苓（去除黑色外皮）、防己（各三分）、黄连（去除须根）、车前子、木通（切碎，各一两）、甘草（炙烤后切碎半两）。
以上八味药。粗捣筛碎，每次服用三钱匕。用水一盏，煎取七分，去渣后温服，不拘泥于特定时间。
治疗小肠实热证，心中烦闷、口腔溃疡，小便深红涩痛。犀角汤方：
犀角（镑片）、瞿麦穗、杏仁（去皮尖及双仁并用麸皮炒制）、栀子（去除外皮）、赤茯苓（去除黑色外皮）、木通（切碎）、黄连（去除须根，各三分）、白茅根（一分切碎）、甘草（炙烤后切碎半两）、麦门冬（去除心部并焙干一两）。
以上十味药。粗捣筛碎，每次服用三钱匕。用水一盏，加入十四片竹叶，煎煮至六分，去渣后温服，不拘泥于特定时间。
治疗下焦积滞之热，阴部疼痛，小便困难涩滞。滑石散方：
滑石（一两研细）、甘草（炙烤后切碎）、大黄（切碎并炒制）、黄柏（切碎）、地椒、山栀子（去除外皮，各半两）、乳香（一钱研细）。
以上七味药，捣碎研成散剂，饭前用乳香酒调服一钱匕，若未痊愈可再次服用。
治疗小肠实热证，头面部发红多汗，小腹部拘急疼痛。赤茯苓汤方：
赤茯苓（去除黑色外皮）、麦门冬（去除心部并焙干）、赤芍药、槟榔（切碎）、生干地黄（切碎）、木通（切碎）、黄芩（去除黑色部分，以上各等分）。
以上八味药。粗捣筛碎，每次服用四钱匕。用水一盏，煎取八分，去渣后温服，不拘泥于特定时间。
治疗小肠实热证，心中烦闷，小便出血。地黄汤方：
生地黄、白茅根（各半两）、葱白（两根）。
以上三味药，切碎如麻豆大小，用水三盏，煎煮至一盏半，去渣后在饭前分两次温服。
治疗小肠风热证，小便黄赤，涩滞凝结不通。胡荽汤方：
胡荽、车前子、木通（切碎）、防己、瞿麦穗、犀角（镑片）、黄连（去除须根，以上各等分）。
以上七味药。粗捣筛碎，每次服用五钱匕。用水一盏半，煎煮至八分，去渣后在饭后温服，每日三次。
治疗小肠实热证，心下部急迫痹阻，口舌生疮。郁金散方：
郁金（一两）、白附子（炮制半两）、羌活（去除芦头三分）、甘草（炙烤后切碎半两）、黄连（去除须根一分）、黄芩（去除黑色部分半两）、侧柏叶（半两）、大黄（切碎并炒制）、干蝎（去除泥土并炒制，各半两）。
以上九味药，捣碎过罗成为细散，拌匀，每次服用二钱匕，饭后用薄荷沸水调服，用生姜蜜汤送服也可以。
Discussion states: The Small Intestine is the official responsible for receiving and containing, and it is the fu-organ of the Heart, belonging to the Hand-Taiyang meridian. When its qi is excessive, it constitutes a surplus syndrome; therefore, if the pulse at the left cunkou anterior to the Renying point manifests as excess-yang, it indicates an excess syndrome of the Small Intestine. Excess generates heat, thus presenting with symptoms such as fluctuating body fever, oral ulcers, mental restlessness, heaviness of the body without sweating, and difficult urination. The treatment should employ purgation.
For treating excess-heat of the Small Intestine, characterized by vigorous and excess pulse qi and hematuria, Mai Men Dong Tang (Ophiopogon Decoction) is prescribed:
Mai Men Dong (Ophiopogonis Radix, heart removed and roasted), Zhi Mu (Anemarrhenae Rhizoma), Pu Huang (Typhae Pollen), Huang Qin (Scutellariae Radix, blackened parts removed), Mu Tong (Akebiae Caulis, sliced), Sheng Ma (Bupleuri Radix, each 1 fen), Da Huang (Rhei Radix et Rhizoma, sliced and stir-fried, 3 fen).
The above seven herbs are coarsely crushed and sieved. For each dose, take 3 qian bi (approx. 9 grams). Add one zhan (approx. 200 ml) of water, decoct until eight-tenths remains, strain, and take warm after meals.
For treating excess-heat of the Small Intestine with dark red, dysuric pain, She Gan Tang (Belamcanda Decoction) is prescribed:
She Gan (Belamcandae Rhizoma), Huang Qin (Scutellariae Radix, blackened parts removed), Mai Men Dong (Ophiopogonis Radix, heart removed and roasted), Da Huang (Rhei Radix et Rhizoma, sliced and stir-fried), Zhi Mu (Anemarrhenae Rhizoma), Mu Tong (Akebiae Caulis, sliced, all in equal proportions).
The above six herbs are coarsely crushed and sieved. For each dose, take 3 qian bi. Add one zhan of water, insert five cun (approx. 15 cm) of scallion white cut into pieces, decoct together until eight-tenths remains, strain, and take warm after meals. Continue until bowel movement is unobstructed. If unobstructed after three doses, urgently decoct Xiong Tang (Ligusticum Decoction) one zhan and administer immediately to induce passage; this may be taken twice from morning to night.
For treating excess-heat of the Small Intestine with yellow-red, obstructed and difficult urination, Qu Mai Tang (Dianthera Decoction) is prescribed:
Qu Mai Sui (Diantherae Herba cum spica), Xi Jiao (Rhino Ceratostigma, shaved), Zhu Ling (Polypori Umbilicati Sclerotium, black skin removed), Fang Ji (Stephaniae Tetrandrae Radix, each 3 fen), Huang Lian (Coptidis Rhizoma, whiskers removed), Che Qian Zi (Plantaginis Semen), Mu Tong (Akebiae Caulis, sliced, each 1 liang), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-roasted and sliced, half liang).
The above eight herbs are coarsely crushed and sieved. For each dose, take 3 qian bi. Add one zhan of water, decoct until seven-tenths remains, strain, and take warm at any time.
For treating excess-heat of the Small Intestine with mental restlessness, oral ulcers, and dark red dysuria, Xi Jiao Tang (Rhino Horn Decoction) is prescribed:
Xi Jiao (Rhino Ceratostigma, shaved), Qu Mai Sui (Diantherae Herba cum spica), Xing Ren (Armeniacae Semen Amarum, skin and tip removed, double-kernel bran-roasted), Zhi Zi (Gardeniae Fructus, skin removed), Chi Fu Ling (Poria Cocos with Rubrum, black skin removed), Mu Tong (Akebiae Caulis, sliced), Huang Lian (Coptidis Rhizoma, whiskers removed, each 3 fen), Bai Mao Gen (Imperatae Rhizoma, 1 fen sliced), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-roasted and sliced, half liang), Mai Men Dong (Ophiopogonis Radix, heart removed and roasted, 1 liang).
The above ten herbs are coarsely crushed and sieved. For each dose, take 3 qian bi. Add one zhan of water, insert fourteen leaves of Zhu Ye (Bambusae Folium), decoct until six-tenths remains, strain, and take warm at any time.
For treating stagnant-heat in the Lower Jiao with genital pain and difficult, dysuric urination, Hua Shi San (Talc Powder) is prescribed:
Hua Shi (Talcum, 1 liang ground), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-roasted and sliced), Da Huang (Rhei Radix et Rhizoma, sliced and stir-fried), Huang Bo (Phellodendri Cortex, sliced), Di Jiao (Zanthoxyli Pericarpium), Shan Zhi Zi (Gardeniae Fructus, skin removed, each half liang), Ru Xiang (Olibanum, 1 qian ground).
The above seven herbs are crushed and ground into powder. Before meals, mix 1 qian bi with wine containing Ru Xiang and take orally. If not cured, take again.
For treating excess-heat of the Small Intestine with facial flushing, excessive sweating, and lower abdominal urgency and pain, Chi Fu Ling Tang (Red Poria Decoction) is prescribed:
Chi Fu Ling (Poria Cocos with Rubrum, black skin removed), Mai Men Dong (Ophiopogonis Radix, heart removed and roasted), Chi Shao Yao (Paeoniae Radix Rubra), Bing Lang (Arecae Semen, sliced), Sheng Gan Di Huang (Rehmanniae Radix Recens, sliced), Mu Tong (Akebiae Caulis, sliced), Huang Qin (Scutellariae Radix, blackened parts removed, all in equal proportions).
The above eight herbs are coarsely crushed and sieved. For each dose, take 4 qian bi. Add one zhan of water, decoct until eight-tenths remains, strain, and take warm at any time.
For treating excess-heat of the Small Intestine with mental oppression and hematuria, Di Huang Tang (Rehmannia Decoction) is prescribed:
Sheng Di Huang (Rehmanniae Radix Recens), Bai Mao Gen (Imperatae Rhizoma, each half liang), Cong Bai (Allii Fistulosi Bulbus, two stems).
The above three herbs are sliced like hemp seeds. Add three zhan of water, decoct until one-and-a-half zhan remains, strain, and divide into two warm doses before meals.
For treating wind-heat of the Small Intestine with yellow-red, obstructed and difficult urination, Hu Sui Tang (Coriander Decoction) is prescribed:
Hu Sui (Coriandri Fructus), Che Qian Zi (Plantaginis Semen), Mu Tong (Akebiae Caulis, sliced), Fang Ji (Stephaniae Tetrandrae Radix), Qu Mai Sui (Diantherae Herba cum spica), Xi Jiao (Rhino Ceratostigma, shaved), Huang Lian (Coptidis Rhizoma, whiskers removed, all in equal proportions).
The above seven herbs are coarsely crushed and sieved. For each dose, take 5 qian bi. Add one-and-a-half zhan of water, decoct until eight-tenths remains, strain, and take warm after meals, three times daily.
For treating excess-heat of the Small Intestine with epigastric urgency and obstruction, and oral/tongue ulcers, Yu Jin San (Curcuma Powder) is prescribed:
Yu Jin (Curcumae Radix, 1 liang), Bai Fu Zi (Typhonii Rhizoma, processed, half liang), Qiang Huo (Notopterygii Rhizoma et Radix, rhizome head removed, 3 fen), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-roasted and sliced, half liang), Huang Lian (Coptidis Rhizoma, whiskers removed, 1 fen), Huang Qin (Scutellariae Radix, blackened parts removed, half liang), Ce Bai Ye (Platycladi Cacumen, half liang), Da Huang (Rhei Radix et Rhizoma, sliced and stir-fried), Gan Xie (Scorpio, cleaned and stir-fried, each half liang).
The above nine herbs are crushed, sifted into fine powder, and mixed evenly. For each dose, take 2 qian bi. After meals, take down with boiled water infused with Bo He (Menthae Haplocalycis Herba); taking down with ginger-honey soup is also acceptable.