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The Kidney is the root of Yuan Qi (Original Qi) and the residence of Shen (Spirit) and Jing (Essence). If Kidney Qi is deficient, Yin Qi will be in excess while Yang Qi will be insufficient. Consequently, this leads to a sensation of emptiness in the heart, shortness of breath, and other symptoms.

For treating Kidney Qi deficiency manifesting as shortness of breath in the chest, frequent blurriness of vision, distending pain in the lower abdomen, stiffness and pain in the waist and back, weakness of Yang Qi, empty ringing in both ears, and irritability:
Prescription: Cishi (Magnetitum, Magnetite), two liang, crushed and washed with water to remove red juice; Wuweizi (Schisandrae Chinensis Fructus, Schisandra Berry), three fen; Lingyangjiaoxie (Saigae Tataricae Cornu, Saiga Horn shavings), three fen; Shudihuang (Rehmanniae Radix Praeparata, Prepared Rehmannia Root), one liang; Huangqi (Astragali Membranacei Radix, Astragalus Root), three liang (Note: Original text has missing characters "Huang (San", inferred as Huangqi based on context); Guixin (Cinnamomi Cortex, Cinnamon Bark), three fen.
Crush the above ingredients into coarse powder. Take four qian per dose, add one zhong of water and half a fen of fresh ginger, decoct until six parts remain, strain, and take warm before meals.

For treating Kidney Qi deficiency manifesting as occasional pain in the chest and hypochondrium, soreness and pain in bone joints, frequent blurriness of vision, impaired hearing, stiffness of the back and spine, heavy body with a desire to lie down:
Suitable prescription: Shudihuang (Rehmanniae Radix Praeparata, Prepared Rehmannia Root), one liang; Tianmendong (Asparagi Radix, Asparagus Root), one liang, heart removed; Wuweizi (Schisandrae Chinensis Fructus, Schisandra Berry), three fen; Fuzi (Aconiti Lateralis Radix Praeparata, Prepared Aconite Lateral Root), one liang, processed until cracked, peel and umbilicus removed; Danggui (Angelicae Sinensis Radix, Angelica Root), three fen, radix tip removed; Chenxiang (Aquilariae Resina, Agarwood), three fen (Inferred from context "Chen ").
Crush the above ingredients into coarse powder. Take four qian per dose, add one zhong of water and half a fen of fresh ginger, decoct until six parts remain, strain, and take warm before meals.

For treating Kidney Qi deficiency manifesting as heavy body with a desire to lie down, soreness and pain in bone joints, dim vision, tinnitus, frequent fear, tendency to salivate, stiffness and pain in the waist and back, fullness and urgency in the lower abdomen, and lack of taste for food and drink:
Prescription: Rousourong (Cistanches Herba, Cistanche Herb), one and a half liang, soaked in wine, wrinkled skin removed, lightly roasted; Shihu (Dendrobii Caulis, Dendrobium Stem), one liang, roots removed; Wuweizi (Schisandrae Chinensis Fructus, Schisandra Berry), one liang; Huangqi (Astragali Membranacei Radix, Astragalus Root), one liang, sliced; Danshen (Salviae Miltiorrhizae Radix et Rhizoma, Salvia Root), one liang (Inferred from "Dan "); Danggui (Angelicae Sinensis Radix, Angelica Root), one liang, sliced; Fuling (Poria, Poria Sclerotium), one liang, coarse skin removed, roasted until slightly yellow, sliced, wrapped in silk cloth.
Sift the above ingredients into powder. Take four qian per dose, use one zhong of water, decoct together with the magnetite-wrapped silk bag until six parts remain, strain, and take hot on an empty stomach and before evening meal.

For treating Kidney Qi deficiency attacked by wind-cold, deficiency of Zang-Fu Qi, impaired vision and hearing, emaciated body, soreness and pain in waist and legs, loss of appetite for food, and urinary abnormalities (text truncated):
Prescription: Shilongru (Ranunculi Ternati Herba, Ranunculus Herb), one liang; Shihu (Dendrobii Caulis, Dendrobium Stem), three fen, roots removed and sliced; Niuxi (Achyranthis Bidentatae Radix, Achyranthes Root), three fen, seed heads removed; Xuduan (Dipsaci Radix, Teasel Root), three fen; Tusizi (Cuscutae Semen, Dodder Seed), one liang, soaked in wine for three days; Bajitian (Morindae Officinalis Radix, Morinda Root), one liang, soaked in wine overnight, sliced; Fuzi (Aconiti Lateralis Radix Praeparata, Prepared Aconite Lateral Root), one liang, processed until cracked, peel and umbilicus removed; Shanzhuyu (Corni Fructus, Cornelian Cherry Fruit), one liang (Inferred from "Shanzhu "); Zexie (Alismatis Rhizoma, Alisma Rhizome), one liang.
Grind the above ingredients into fine powder, mix with refined honey, pound 300-500 times, and form pills the size of paulownia seeds. Take thirty pills each time, swallowed with warm wine on an empty stomach, and again before the evening meal.

For treating Kidney Qi deficiency manifesting as heavy body with weakness, stiffness and pain in the waist and back, soreness and pain in feet and knees, dull hearing and vision, absent-mindedness, forgetfulness, sadness, fear, unhappiness, and weakness of Yang Qi:
Prescription: Tianxiong (Aconiti Kusnezoffii Radix Praeparata, Prepared Aconite Root), one liang, processed until cracked, peel and umbilicus removed; Shihu (Dendrobii Caulis, Dendrobium Stem), three fen, roots removed and sliced; Wuweizi (Schisandrae Chinensis Fructus, Schisandra Berry), three fen; Bajitian (Morindae Officinalis Radix, Morinda Root), one liang; Baifuling (Poria, Poria Sclerotium), three fen; Chuangzi (Ziziphi Spinosae Semen, Jujube Seed - Note: "Chuangzi" likely refers to Suanzaoren or a specific variant, retained as per original text entity extraction); Tusizi (Cuscutae Semen, Dodder Seed), one liang, soaked in wine overnight, scraped to remove wrinkled skin.
Grind the above ingredients into powder, mix with refined honey, pound 200-300 times, and form pills the size of paulownia seeds. Take thirty pills daily on an empty stomach and before the evening meal, swallowed with warm wine.