夫平人无寒热。短气不足以息者。盖由体实。实则气盛。盛则气逆不通。故短气也。又
肺虚
足。
治肺实。胸中短气。上焦壅滞。不思饮食。宜服五味子散方。
五味子（一两） 木香（半两） 诃黎勒皮（一两） 甘草（半两炙微赤锉） 前胡（一
两去芦
头）
上件药。捣筛为散。每服五钱。以水一大盏。入生姜半分。枣三枚。煎至五分。去滓。
温服
治气虚。胸膈中寒热。短气不足。紫苏散方。
紫苏茎叶（二两） 五味子（一两） 甘草（三分炙微赤锉） 前胡（一两去芦头） 陈
橘皮
（三分
上件药。捣筛为散。每服三钱。以水一中盏。入生姜半分。枣三枚。煎至六分。去滓。
温服
治肺气实。上焦烦热。短气胸满。呼吸不利。宜服木通丸方。
木通〔二（一）两锉〕 杏仁〔二（一）两汤浸去皮尖双仁麸炒微黄〕 紫苏茎叶（一
两） 柴
胡
上件药。捣筛为散。每服五钱。以水一中盏。煎至六分。去滓。不计时候。温服。
治肺热。气呼吸不利。麦门冬方。
麦门冬（一两半去心） 半夏（三分汤洗七遍去滑） 人参（一两半去芦头） 甘草（三
分炙
微赤
上件药。捣筛为散。每服三钱。以水一中盏。入生姜半分。枣三枚。煎至六分。去滓。
不计
治肺虚寒。胸中痞塞。短气不足。少思饮食。宜服白术丸方。
白术（二两） 人参（一两去芦头） 陈橘皮（一两汤浸去白瓤焙） 桔梗（三分去芦
头） 杏
仁（
炮裂锉）
半
两〕
上件药。捣罗为末。炼蜜和捣三五百杵。圆如梧桐子大。不计时候。以姜枣汤下二十丸。
治卒短气方。
枸杞叶〔一（二）两〕 生姜（一两切）
上件药。以水二大盏。煎至一大盏。去滓。不计时候。分温二服。
又方。
紫苏茎叶（二两） 青橘皮（半两汤浸去白瓤焙）
上件药。细锉。以水二大盏。入枣七枚。煎至一大盏。去滓。不计时候。分温三服。
治虚冷短气方。
上以川椒三两。去目及闭口者。以生绢袋盛。用无灰酒五升浸。经三日后。随性饮之。
In healthy individuals who present with shortness of breath and insufficient respiration without signs of exterior cold or heat, this condition is generally due to a robust constitution. A robust constitution leads to excessive Qi; when Qi is excessive, it becomes rebellious and obstructed, resulting in shortness of breath.
Additionally, for cases of Lung Qi deficiency:
For treating excess syndrome of the Lung manifesting as shortness of breath in the chest, stagnation in the Upper Jiao (upper burner), and loss of appetite, the Wuweizi San (Schisandra Powder) formula is indicated.
Wuweizi (Fructus Schisandrae Chinensis, 1 liang) Muxiang (Radix Aucklandiae, 0.5 liang) Helilepi (Pericarpium Terminaliae Chebulae, 1 liang) Gancao (Radix Glycyrrhizae Uralensis, 0.5 liang, honey-fried until slightly red and crushed) Qianhu (Radix Peucedani, 1 liang, radix removed)
The above herbs are pounded, sifted, and made into a powder. Each dose consists of 5 qian, decocted with 1 large zhen of water, adding 0.5 fen of Shengjiang (Rhizoma Zingiberis Recens) and 3 dates. Decoct until 0.5 zhen remains, strain, and take warm.
For treating Qi deficiency manifesting as alternating cold and heat in the chest and diaphragm, and insufficient respiration, the Zisu San (Perilla Leaf Powder) formula is indicated.
Zisu Jingye (Herba Perillae Frutescentis, 2 liang) Wuweizi (Fructus Schisandrae Chinensis, 1 liang) Gancao (Radix Glycyrrhizae Uralensis, 3 qian, honey-fried until slightly red and crushed) Qianhu (Radix Peucedani, 1 liang, radix removed) Chenjupi (Pericarpium Citri Reticulatae, 3 qian)
The above herbs are pounded, sifted, and made into a powder. Each dose consists of 3 qian, decocted with 1 medium zhen of water, adding 0.5 fen of Shengjiang (Rhizoma Zingiberis Recens) and 3 dates. Decoct until 0.6 zhen remains, strain, and take warm.
For treating excess syndrome of the Lung manifesting as vexatious heat in the Upper Jiao, shortness of breath, chest fullness, and difficult breathing, the Mutong Wan (Akebia Pill) formula is indicated.
Mutong (Caulis Akebiae Trifolatae, 1 liang, crushed) Xingren (Semen Armeniacae Amarum, 1 liang, soaked in hot water, skin and pointed end removed, double-kernel removed, stir-fried with bran until slightly yellow) Zisu Jingye (Herba Perillae Frutescentis, 1 liang) Chaihu (Radix Bupleuri, 1 liang)
The above herbs are pounded, sifted, and made into a powder. Each dose consists of 5 qian, decocted with 1 medium zhen of water until 0.6 zhen remains, strain, and take warm at any time.
For treating Lung heat manifesting as difficult breathing, the Maidong Fang (Ophiopogon Formula) is indicated.
Maidong (Radix Ophiopogonis, 1.5 liang, heart removed) Banxia (Rhizoma Pinelliae Ternatae, 3 qian, washed seven times in hot water to remove slipperiness) Renshen (Radix Ginseng, 1.5 liang, radix removed) Gancao (Radix Glycyrrhizae Uralensis, 3 qian, honey-fried until slightly red)
The above herbs are pounded, sifted, and made into a powder. Each dose consists of 3 qian, decocted with 1 medium zhen of water, adding 0.5 fen of Shengjiang (Rhizoma Zingiberis Recens) and 3 dates. Decoct until 0.6 zhen remains, strain, and take at any time.
For treating deficiency-cold of the Lung manifesting as epigastric stuffiness, shortness of breath, and poor appetite, the Baizhu Wan (Atractylodes Macrocephala Pill) formula is indicated.
Baizhu (Rhizoma Atractylodis Macrocephalae, 2 liang) Renshen (Radix Ginseng, 1 liang, radix removed) Chenjupi (Pericarpium Citri Reticulatae, 1 liang, soaked in hot water, white pith removed, dried) Jiegeng (Radix Platycodonis, 3 qian, radix removed) Xingren (Semen Armeniacae Amarum, 0.5 liang, processed until cracked and crushed)
The above herbs are pounded, ground into fine powder, mixed with refined honey, and pounded three to five hundred times until pills the size of Sophora japonica seeds are formed. Take twenty pills with Ginger and Date Decoction at any time.
For treating sudden onset of shortness of breath:
Gouqiye (Folium Lycii, 1 liang) Shengjiang (Rhizoma Zingiberis Recens, 1 liang, sliced)
The above herbs are decocted with 2 large zhen of water until 1 large zhen remains, strain, and divide into two warm doses to be taken at any time.
Another formula:
Zisu Jingye (Herba Perillae Frutescentis, 2 liang) Qingjupi (Pericarpium Citri Reticulatae Viride, 0.5 liang, soaked in hot water, white pith removed, dried)
The above herbs are finely crushed, decocted with 2 large zhen of water and 7 dates until 1 large zhen remains, strain, and divide into three warm doses to be taken at any time.
For treating deficiency-cold type shortness of breath:
Take 3 liang of Chuanjiao (Pericarpium Zanthoxyli), removing the seeds and closed fruits. Place them in a raw silk bag and soak in 5 sheng of unadulterated wine for three days. Drink appropriately according to one's tolerance.