论曰水谷皆入于上焦，至中焦而腐熟。下焦而化出，小儿腑脏挟热，三焦壅滞，津液枯
少，不能传道，实热之气，归于大肠，故大便燥涩而不通也。
治小儿大便不通。大黄丸方
大黄（锉炒一两一分） 枳壳（去瓤麸炒） 栀子仁 郁李仁（炒去双仁皮尖） 大麻
仁（研
各三分）
上五味，捣研为末。炼蜜丸如麻子大，一二岁儿，每服五丸，熟水下，空心午后各一服
，更随儿大小加减。
治小儿大便不通。滑石汤方
滑石（研） 大黄（锉） 冬葵子 甘草（炙各半两）
上四味，粗捣筛。三四岁儿，每服一钱匕，水一盏，入灯心七茎，同煎至五分，去滓温
服，更随儿大小加减。
治小儿大便不通。橘皮汤方
陈橘皮（去白焙） 牵牛子（炒） 甘草（炙） 大黄（锉炒各一分）
上四味，粗捣筛。五六岁儿，每服一钱匕，水一小盏，入葱白一茎擘碎，同煎至五分，
去滓温服，未通再服，更量儿大小加减。
治小儿大便不通。木通汤方
木通（锉） 大黄（锉炒） 陈橘皮（去白焙各一两）
上三味，粗捣筛。三四岁儿，每服一钱匕，水一小盏，煎至五分，去滓温服，更量儿大
小加减。
治小儿大便不通妨闷。丹参汤方
丹参 硝石（碎） 甘草（炙各一两）
上三味，粗捣筛。五六岁儿，每服二钱匕，水一盏，枣二枚擘破。同煎至七分，去滓分
温二服，更随儿大小加减。
治小儿大便不通。橘皮汤方
陈橘皮（去白焙一分） 大黄（锉炒半两）
上二味，粗捣筛。三四岁儿，每服一钱匕，水一小盏，煎至五分，去滓温服，更量儿大
小加减。
治小儿大便不通，调中。二黄丸方
大黄（一两锉炒） 牛黄（研） 甘草（炙） 人参（各一分）
上四味，捣研为末，炼蜜丸如小绿豆大，每服二丸，米饮化下，日再服，得利即止。
治小儿风热壅滞，大便秘涩。黄连丸方
黄连（去须） 大黄（锉炒各一分） 巴豆（三粒去心膜皮出油研）
上三味，捣研为细末。面糊为丸。如麻子大，每服三丸至五丸，临睡柳枝汤下。
治小儿大便不通。代赭丸方
代赭（研） 丹砂（研） 大黄（锉炒各二两） 木香 当归（焙各一两一分） 桂（去
粗皮一
两） 生犀角（镑三分） 巴豆（炒熟去皮心捣烂一两半）
上八味，捣研为末。炼蜜丸如小豆大，每服一丸至二丸。空心米饮化下，六七岁三丸。
二百日儿半丸，但得溏利为度。
治小儿大便不通，不能饮食。鳖甲丸方
鳖甲（醋炙黄去裙 ） 防葵 诃黎勒（煨去皮） 大黄（锉炒） 人参 当归（锉焙）
郁李
仁（汤浸去皮尖微炒别研入）
上七味等分，六味捣为细末。入郁李仁和匀，炼蜜丸如绿豆大，粥饮下五丸，微利即瘥。
治小儿大便不通，口燥颊赤。牛黄散方
牛黄（研一分） 大黄（锉炒） 甜硝（研各一钱） 甘草（炙锉） 人参（各二钱）
上五味，捣研为细散，每服半钱匕，新水调下，乳食后服。
论述说：水谷饮食都进入上焦，到了中焦进行腐熟消化。再至下焦转化排泄。小儿脏腑夹杂热邪，三焦气机壅滞，津液枯少，无法传导糟粕，实热之气归于大肠，所以大便干燥涩滞而不通。
治疗小儿大便不通。大黄丸方
大黄（锉碎炒制一两一分） 枳壳（去除瓤麸皮炒） 栀子仁 郁李仁（炒制去掉双仁皮和尖端） 大麻仁（研碎各三分）
以上五味药，捣碎研成细末。用炼蜜制成如麻子大小的丸剂，一至二岁的幼儿，每次服用五丸，用温开水送服，空腹及午后各服一次，并根据幼儿体型大小酌情增减剂量。
治疗小儿大便不通。滑石汤方
滑石（研碎） 大黄（锉碎） 冬葵子 甘草（炙制各半两）
以上四味药，粗捣后过筛。三至四岁的幼儿，每次服用一钱匕，用水一盏，加入灯心草七茎，共同煎煮至剩余五分水量，去渣后温服，并根据幼儿体型大小酌情增减剂量。
治疗小儿大便不通。橘皮汤方
陈橘皮（去除白瓤焙干） 牵牛子（炒制） 甘草（炙制） 大黄（锉碎炒制各一分）
以上四味药，粗捣后过筛。五至六岁的幼儿，每次服用一钱匕，用水一小盏，加入葱白一茎掰碎，共同煎煮至剩余五分水量，去渣后温服，若未通便可再服，并视幼儿体型大小酌情增减剂量。
治疗小儿大便不通。木通汤方
木通（锉碎） 大黄（锉碎炒制） 陈橘皮（去除白瓤焙干各一两）
以上三味药，粗捣后过筛。三至四岁的幼儿，每次服用一钱匕，用水一小盏，煎煮至剩余五分水量，去渣后温服，并视幼儿体型大小酌情增减剂量。
治疗小儿大便不通且伴有烦闷感。丹参汤方
丹参 硝石（捣碎） 甘草（炙制各一两）
以上三味药，粗捣后过筛。五至六岁的幼儿，每次服用二钱匕，用水一盏，大枣两枚掰破，共同煎煮至剩余七分水量，去渣后分两次温服，并根据幼儿体型大小酌情增减剂量。
治疗小儿大便不通。橘皮汤方
陈橘皮（去除白瓤焙干一分） 大黄（锉碎炒制半两）
以上两味药，粗捣后过筛。三至四岁的幼儿，每次服用一钱匕，用水一小盏，煎煮至剩余五分水量，去渣后温服，并视幼儿体型大小酌情增减剂量。
治疗小儿大便不通，调理中焦。二黄丸方
大黄（一两锉碎炒制） 牛黄（研碎） 甘草（炙制） 人参（各一分）
以上四味药，捣碎研成细末，用炼蜜制成如小绿豆大小的丸剂，每次服用二丸，用米汤化开送服，每日两次，大便通畅即停药。
治疗小儿风热壅滞，大便秘结涩滞。黄连丸方
黄连（去除须根） 大黄（锉碎炒制各一分） 巴豆（三粒去除心膜及皮出油后研碎）
以上三味药，捣碎研成细末。用面糊作为粘合剂制成丸剂，如麻子大小，每次服用三丸至五丸，临睡前用柳枝煎汤送服。
治疗小儿大便不通。代赭丸方
代赭石（研碎） 朱砂（研碎） 大黄（锉碎炒制各二两） 木香 当归（焙干各一两一分） 桂枝（去除粗皮一两） 生犀角（镑片三分） 巴豆（炒熟去皮去心捣烂一两半）
以上八味药，捣碎研成细末。用炼蜜制成如小豆大小的丸剂，每次服用一丸至二丸。空腹时用米汤化开送服，六至七岁幼儿服三丸，二百日大的婴儿服半丸，只要达到大便溏泄的程度即可停止。
治疗小儿大便不通，不能进食。鳖甲丸方
鳖甲（醋炙至黄色去除裙边） 防葵 诃黎勒（煨制去除果皮） 大黄（锉碎炒制） 人参 当归（锉碎焙干） 郁李仁（热水浸泡去除皮尖微炒后单独研碎加入）
以上七味药等分，其中六味捣成细末，加入郁李仁混合均匀，用炼蜜制成如绿豆大小的丸剂，用粥饮送服五丸，轻微腹泻即可痊愈。
治疗小儿大便不通，口燥颊赤。牛黄散方
牛黄（研碎一分） 大黄（锉碎炒制） 甜硝（研碎各一钱） 甘草（炙制锉碎） 人参（各二钱）
以上五味药，捣碎研成细散，每次服用半钱匕，用新汲水调服，在乳食之后服用。
Discussion states: Food and drink enter the Upper Jiao (Upper Burner), undergo rotting and ripening in the Middle Jiao (Middle Burner), and are transformed and excreted in the Lower Jiao (Lower Burner). In children, the Zang-Fu organs harbor heat, causing stagnation and obstruction of the Sanjiao (Triple Burner). With a scarcity of body fluids, the transmission of waste cannot occur. The excess heat qi accumulates in the Large Intestine, resulting in dry, rough, and obstructed defecation.
Treatment for constipation in children. Dahuang Wan (Rhubarb Pill) Formula
Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried, 1 liang 1 fen) Zhike (Aurantii Fructus, pith removed, bran-fried) Zhizi Ren (Gardeniae Fructus) Yuliren (Prunus Semen, fried, skin and tip removed) Damaren (Cannabis Semen, ground, each 3 fen)
The above five herbs are pounded and ground into powder. Honey is refined to form pills the size of hemp seeds. For infants aged one to two years, administer five pills per dose with warm water, taken on an empty stomach and in the afternoon. Dosage should be adjusted according to the child's physical development.
Treatment for constipation in children. Huashi Tang (Talc Decoction) Formula
Huashi (Talcum, ground) Dahuang (Rhei Radix et Rhizoma, crushed) Dongkuizi (Malvae Semen) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried, each half liang)
The above four herbs are coarsely pounded and sieved. For children aged three to four years, administer one qianbi (a small measuring spoon) per dose. Add one zhan (approx. 200ml) of water and seven stems of Dengxin Cao (Junci Medulla). Decoct together until the volume reduces to five fen (approx. 100ml). Strain and take warm. Adjust dosage according to the child's physical development.
Treatment for constipation in children. JuPi Tang (Citrus Peel Decoction) Formula
Chenju Pi (Pericarpium Citri Reticulatae, white pith removed, baked) Qianniuzi (Semen Pharbitidis, fried) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried, each 1 fen)
The above four herbs are coarsely pounded and sieved. For children aged five to six years, administer one qianbi per dose. Add one xiaozhan (approx. 100ml) of water and one stem of Congbai (Allii Fistulosi Bulbus), broken into pieces. Decoct together until the volume reduces to five fen. Strain and take warm. If defecation does not occur, administer again. Adjust dosage according to the child's physical development.
Treatment for constipation in children. Mutong Tang (Akebia Decoction) Formula
Mutong (Akebiae Caulis, crushed) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried) Chenju Pi (Pericarpium Citri Reticulatae, white pith removed, baked, each 1 liang)
The above three herbs are coarsely pounded and sieved. For children aged three to four years, administer one qianbi per dose. Add one xiaozhan of water. Decoct until the volume reduces to five fen. Strain and take warm. Adjust dosage according to the child's physical development.
Treatment for constipation accompanied by irritability in children. Danshen Tang (Salvia Miltiorrhiza Decoction) Formula
Danshen (Salviae Miltiorrhizae Radix et Rhizoma) Xiaoshi (Natrii Sulfas, crushed) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried, each 1 liang)
The above three herbs are coarsely pounded and sieved. For children aged five to six years, administer two qianbi per dose. Add one zhan of water and two dates (Zao Ren), broken open. Decoct together until the volume reduces to seven fen. Strain and divide into two warm doses. Adjust dosage according to the child's physical development.
Treatment for constipation in children. JuPi Tang (Citrus Peel Decoction) Formula
Chenju Pi (Pericarpium Citri Reticulatae, white pith removed, baked, 1 fen) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried, half liang)
The above two herbs are coarsely pounded and sieved. For children aged three to four years, administer one qianbi per dose. Add one xiaozhan of water. Decoct until the volume reduces to five fen. Strain and take warm. Adjust dosage according to the child's physical development.
Treatment for constipation in children with middle jiao disharmony. Erhuang Wan (Two Huangs Pill) Formula
Dahuang (Rhei Radix et Rhizoma, 1 liang, crushed and stir-fried) Niuhuang (Bovis Calculus, ground) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried) Renshen (Ginseng Radix et Rhizoma, each 1 fen)
The above four herbs are pounded and ground into fine powder. Honey is refined to form pills the size of small mung beans. Administer two pills per dose, dissolved in rice water. Take twice daily. Discontinue once bowel movement is achieved.
Treatment for constipation due to wind-heat stagnation in children. Huanglian Wan (Coptis Pill) Formula
Huanglian (Coptidis Rhizoma, mustards removed) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried, each 1 fen) Badou (Crotonis Fructus, three kernels, heart and membrane removed, oil expressed, ground)
The above three herbs are pounded and ground into fine powder. Form pills using wheat paste, sized like hemp seeds. Administer three to five pills per dose before sleep, taken with Liu Zhi Tang (Willow Twig Decoction).
Treatment for constipation in children. Daizhe Wan (Hematite Pill) Formula
Daizhe (Haematitum, ground) Danzha (Cinnabaris, ground) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried, each 2 liang) Muxiang (Aucklandiae Radix) Danggui (Angelicae Sinensis Radix, baked, each 1 liang 1 fen) Gui (Cinnamomi Ramulus, outer bark removed, 1 liang) Sheng Xijiao (Rhino Ceratops Horn, shaved, 3 fen) Badou (Crotonis Fructus, cooked, skin and heart removed, pounded into paste, 1.5 liang)
The above eight herbs are pounded and ground into fine powder. Honey is refined to form pills the size of small soybeans. Administer one to two pills per dose. Dissolve in rice water on an empty stomach. For children aged six to seven years, administer three pills. For infants of two hundred days old, administer half a pill. Stop when loose stools are achieved.
Treatment for constipation and inability to eat in children. Biejia Wan (Tartar Shell Pill) Formula
Biejia (Testudinis Carapax et Plastrum, vinegar-fried to yellow, skirt removed) Fangkui (Radix Adenophorae or similar, context dependent) Helile (Terminaliae Chebulae Fructus, roasted, skin removed) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried) Renshen (Ginseng Radix et Rhizoma) Danggui (Angelicae Sinensis Radix, crushed and baked) Yuliren (Prunus Semen, soaked in hot water, skin and tip removed, lightly fried, ground separately and added)
The above seven herbs are used in equal parts. Six of them are pounded into fine powder. Mix in the ground Yuliren. Form pills using honey, sized like mung beans. Administer five pills with porridge water. Recovery occurs with mild diarrhea.
Treatment for constipation with dry mouth and red cheeks in children. Niuhuang San (Bovis Calculus Powder) Formula
Niuhuang (Bovis Calculus, ground, 1 fen) Dahuang (Rhei Radix et Rhizoma, crushed and stir-fried) Tianxiao (Natron/Saltpeter, ground, each 1 qian) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried and crushed) Renshen (Ginseng Radix et Rhizoma, each 2 qian)
The above five herbs are pounded and ground into fine powder. Administer half a qianbi per dose, mixed with fresh water. Take after milk or food intake.