桂枝（三两） 芍药（六两酒洗） 甘草（二两炙） 生姜（三两切） 大枣（十二枚擘） 胶饴（一升）
上六味以水七升煮取三升。去滓纳胶饴更去微火消解温服一升。日三服。
按桂枝汤方中芍药桂枝等分。用芍药佐桂枝以治卫气。小建中方中加倍芍药。用桂枝佐芍药以治营气。更加胶饴以
缓其脾。故名之曰建中则其功用大有不同耳。
桂枝（二两） 芍药（三两酒洗） 甘草（二两炙） 生姜（三两切） 大枣（十二枚擘） 葛根（四两）
上六味以水一斗。先煮葛根减二升。去上沫。纳诸药煮取三升。去滓温服一升。覆取微似汗。
桂枝（五两） 芍药（三两酒洗） 甘草（二两炙） 生姜（三两切） 大枣（十二枚擘）
上五味以水七升微火煮取三升。去滓适寒温服一升。若一服汗出病瘥停时服。
烧针发汗。则损阴血惊动心气。心气因惊而虚。则触动肾气发为奔豚。先灸核上以散寒。次与桂枝加桂汤以泄奔豚
之气。所加之桂当用肉桂为是。
桂枝（三两） 芍药（三两酒洗） 甘草（二两炙） 生姜（三两切） 大枣（十二枚擘）
上五味以水七升微火煮取三升去滓适寒温服一升。
桂枝（三两） 芍药（三两酒洗） 甘草（二两炙） 生姜（三两切） 大枣（十二枚擘） 大黄（一两）
上六味以水七升煮取三升去滓温服一升日三服。
小建中汤方：桂枝三两，芍药六两（用酒清洗），甘草二两（炙烤），生姜三两（切片），大枣十二枚（掰开），胶饴一升。
以上六味药，用水七升，煎煮至剩余三升。滤去药渣，加入胶饴，再用微火加热使其溶解，每次温服一升，每日服用三次。
按语：在桂枝汤方中，芍药与桂枝用量相等。使用芍药辅助桂枝，以调理卫气。在小建中汤方中，芍药的用量加倍，使用桂枝辅助芍药，以调理营气。再加上胶饴来缓和脾脏的功能，所以命名为“建中”，其功效便有了很大的不同。
桂枝加葛根汤方：桂枝二两，芍药三两（用酒清洗），甘草二两（炙烤），生姜三两（切片），大枣十二枚（掰开），葛根四两。
以上六味药，用水一斗。先单独煎煮葛根，水量减少二升，撇去水面上的浮沫，再加入其他药物，煎煮至剩余三升。滤去药渣，温服一升，服药后覆盖衣被使身体微微出汗。
桂枝加桂汤方：桂枝五两，芍药三两（用酒清洗），甘草二两（炙烤），生姜三两（切片），大枣十二枚（掰开）。
以上五味药，用水七升，用微火煎煮至剩余三升。滤去药渣，待药液温度适宜时服用一升。如果服用一次后汗出且病愈，则停止后续服用。
烧针发汗的方法，会损伤阴血并惊动心气。心气因受惊而虚弱，进而触动肾气，导致奔豚病发作。先在肿块上施灸以散寒邪，随后给予桂枝加桂汤以泄除奔豚之气。所增加的桂枝应当使用肉桂为宜。
桂枝汤方：桂枝三两，芍药三两（用酒清洗），甘草二两（炙烤），生姜三两（切片），大枣十二枚（掰开）。
以上五味药，用水七升，用微火煎煮至剩余三升，滤去药渣，待温度适宜时服用一升。
桂枝加大黄汤方：桂枝三两，芍药三两（用酒清洗），甘草二两（炙烤），生姜三两（切片），大枣十二枚（掰开），大黄一两。
以上六味药，用水七升，煎煮至剩余三升，滤去药渣，温服一升，每日服用三次。
Xiao Jian Zhong Tang (Minor Construct the Middle Decoction): Guizhi (Cinnamon Twig) 3 liang, Shaoyao (White Peony Root) 6 liang (washed with wine), Gancao (Licorice Root) 2 liang (roasted), Shengjiang (Fresh Ginger) 3 liang (sliced), Dazao (Jujube Fruit) 12 pieces (torn apart), Jiaoyi (Malt Sugar) 1 sheng.
Take the above six ingredients, add seven sheng of water, and decoct to obtain three sheng. Remove the dregs, add Jiaoyi (Malt Sugar), and further heat gently over a low fire until dissolved. Take one sheng warm, three times daily.
Note: In the Guizhi Tang (Cinnamon Twig Decoction), Shaoyao (White Peony Root) and Guizhi (Cinnamon Twig) are used in equal proportions. Shaoyao (White Peony Root) is used to assist Guizhi (Cinnamon Twig) to regulate Wei Qi (Defensive Qi). In Xiao Jian Zhong Tang (Minor Construct the Middle Decoction), the dosage of Shaoyao (White Peony Root) is doubled, and Guizhi (Cinnamon Twig) is used to assist Shaoyao (White Peony Root) to regulate Ying Qi (Nutritive Qi). Additionally, Jiaoyi (Malt Sugar) is added to moderate the Spleen. Hence named "Jian Zhong" (Construct the Middle), its therapeutic function differs significantly.
Guizhi Jia Gegen Tang (Cinnamon Twig Decoction plus Kudzu Root): Guizhi (Cinnamon Twig) 2 liang, Shaoyao (White Peony Root) 3 liang (washed with wine), Gancao (Licorice Root) 2 liang (roasted), Shengjiang (Fresh Ginger) 3 liang (sliced), Dazao (Jujube Fruit) 12 pieces (torn apart), Gegen (Kudzu Root) 4 liang.
Take the above six ingredients, add ten dou of water. First decoct Gegen (Kudzu Root) alone until the volume decreases by two dou. Skim off the foam on the surface. Add the remaining herbs and decoct to obtain three sheng. Remove the dregs and take one sheng warm. Cover the patient to induce a slight sweat.
Guizhi Jia Gui Tang (Cinnamon Twig Decoction plus Cinnamon Bark): Guizhi (Cinnamon Twig) 5 liang, Shaoyao (White Peony Root) 3 liang (washed with wine), Gancao (Licorice Root) 2 liang (roasted), Shengjiang (Fresh Ginger) 3 liang (sliced), Dazao (Jujube Fruit) 12 pieces (torn apart).
Take the above five ingredients, add seven sheng of water, and decoct gently over a low fire to obtain three sheng. Remove the dregs and take one sheng when the temperature is suitable. If sweating occurs after one dose and the disease resolves, discontinue further administration.
Cauterization (Burning Needle) to induce sweating damages Yin Blood and startles Heart Qi. When Heart Qi becomes deficient due to fright, it agitates Kidney Qi, leading to the onset of Ben Tun (Running Piglet Syndrome). Apply moxibustion directly on the nodules first to dispel cold. Subsequently administer Guizhi Jia Gui Tang (Cinnamon Twig Decoction plus Cinnamon Bark) to vent the Qi of Ben Tun (Running Piglet Syndrome). The added "Gui" should preferably be Rougui (Cinnamon Bark).
Guizhi Tang (Cinnamon Twig Decoction): Guizhi (Cinnamon Twig) 3 liang, Shaoyao (White Peony Root) 3 liang (washed with wine), Gancao (Licorice Root) 2 liang (roasted), Shengjiang (Fresh Ginger) 3 liang (sliced), Dazao (Jujube Fruit) 12 pieces (torn apart).
Take the above five ingredients, add seven sheng of water, and decoct gently over a low fire to obtain three sheng. Remove the dregs and take one sheng when the temperature is suitable.
Guizhi Jia Dahuang Tang (Cinnamon Twig Decoction plus Rhubarb): Guizhi (Cinnamon Twig) 3 liang, Shaoyao (White Peony Root) 3 liang (washed with wine), Gancao (Licorice Root) 2 liang (roasted), Shengjiang (Fresh Ginger) 3 liang (sliced), Dazao (Jujube Fruit) 12 pieces (torn apart), Dahuang (Rhubarb Root and Rhizome) 1 liang.
Take the above six ingredients, add seven sheng of water, and decoct to obtain three sheng. Remove the dregs and take one sheng warm, three times daily.