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The spleen is a zang organ, and the stomach is a fu organ. The qi of the spleen and stomach are exteriorly-interiorly related. The stomach receives grain, and the spleen grinds it. When the qi of both organs is balanced and harmonious, the grain is transformed, and one is able to eat.

Ren Shen San (Ginseng Powder) for treating children with disharmony of spleen and stomach qi, leading to fullness and oppression in the abdomen and hypochondrium, inability to eat, and emaciation and weakness of the four limbs:
Ren Shen (Ginseng Radix et Rhizoma, 1 fen, remove radix), Ding Xiang (Caryophylli Flos, 1 fen), Chen Ju Pi (Citri Reticulatae Pericarpium, 0.5 liang, soak in boiling water, remove white pith, dry-bake), Huang Qi (Astragali Radix, 1 fen, cut into pieces), Gan Cao (Glycyrrhizae Radix et Rhizoma, 1 fen, stir-fry until slightly red).
Crush the above herbs into a coarse powder. Take 1 qian per dose. Add 1 small cup of water, a little fresh ginger, and one jujube. Decoct until the volume reduces to 0.5 cup. Strain and serve warm.

Qian Hu San (Peucedani Radix Powder) for treating children with disharmony of spleen and stomach qi, presenting with vomiting upon seeing food or drinking, and stuffiness and oppression in the chest and heart:
Qian Hu (Peucedani Radix, 3 fen, remove radix), Chi Fu Ling (Poria Cocos with Red Hosta Root, 0.5 liang), Gui Xin (Cinnamomi Ramulus Cortex, 1 fen), Ren Shen (Ginseng Radix et Rhizoma, 0.5 liang, remove radix), Bai Zhu (Atractylodis Macrocephalae Rhizoma, 0.5 liang), Pi Pa Ye (Loquat Leaf, 0.5 liang, coat with fresh ginger juice and dry-bake).
Crush the above herbs into a coarse powder. Take 1 qian per dose. Add 1 small cup of water and a little fresh ginger. Decoct until the volume reduces to 0.5 cup. Strain. Administer at any time, adjusting the dose according to the child's age, and serve warm.

Gao Liang Jiang San (Alpiniae Officinarum Rhizome Powder) for treating children whose spleen and stomach are injured by cold, causing qi disharmony, abdominal pain, and loss of appetite:
Gao Liang Jiang (Alpiniae Officinarum Rhizome, 1 fen, cut into pieces), Chen Ju Pi (Citri Reticulatae Pericarpium, 1 fen, soak in boiling water, remove white pith, dry-bake), Ren Shen (Ginseng Radix et Rhizoma, 0.5 liang, remove radix), Cao Dou Kou (Cardamomi Fructus, 1 fen, remove seed coat), Dang Gui (Angelicae Sinensis Radix, 1 fen, slice, dry-bake).
Crush the above herbs into a coarse powder. Take 1 qian per dose. Add 1 small cup of water. Decoct until the volume reduces to 0.5 cup. Strain. Administer at any time, adjusting the dose according to the child's age, and serve warm.

Bai Dou Kou San (Cardamomi Fructus Powder) for treating children with disharmony of spleen and stomach qi, presenting with aversion to cold, high fever, and refusal of milk and food:
Bai Dou Kou (Cardamomi Fructus, 1 fen, remove seed coat), Huang Qi (Astragali Radix, 0.5 liang, cut into pieces), Gan Cao (Glycyrrhizae Radix et Rhizoma, 1 fen, stir-fry until slightly red and cut), Gan Mu Gua (Chaenomelis Fructus, 0.5 liang), Chen Ju Pi (Citri Reticulatae Pericarpium, 1 fen, soak in boiling water, remove white pith, dry-bake).
Crush the above herbs into a coarse powder. Take 1 qian per dose. Add 1 small cup of water, a little fresh ginger, and one jujube. Decoct until the volume reduces to 0.5 cup. Strain. Administer at any time, adjusting the dose according to the child's age, and serve warm.

He Li Le San (Terminalia Chebula Fruit Powder) for treating children with disharmony of spleen and stomach qi, presenting with occasional empty distension in the abdomen and hypochondrium, and refusal of milk and food:
He Li Le Pi (Terminalia Chebula Fruit Pericarpium, 1 fen), Jing San Leng (Sparganii Rhizoma, 0.5 liang, lightly bake and cut), Ren Shen (Ginseng Radix et Rhizoma, 0.5 liang, remove radix), Chen Ju Pi (Citri Reticulatae Pericarpium, 0.5 liang, soak in boiling water, remove white pith, dry-bake), Mu Xiang (Aucklandiae Radix, 1 fen, stir-fry until slightly red).
Sieve the above herbs into a fine powder. Administer at any time, mixing 0.5 qian with warm jujube decoction. Adjust the dosage according to the child's age as appropriate.

Wen Pi San (Warm the Spleen Powder) for treating children with spleen qi disharmony, presenting with poor appetite and weakness:
Ren Shen (Ginseng Radix et Rhizoma, 2 fen, remove radix), Bai Zhu (Atractylodis Macrocephalae Rhizoma, 0.5 liang), He Li Le Pi (Terminalia Chebula Fruit Pericarpium, 3 fen), Mu Xiang (Aucklandiae Radix, 0.5 liang), Huang Qi (Astragali Radix, 0.5 liang, cut into pieces), Bai Fu Ling (Poria Cocos, 0.5 liang, stir-fry until slightly red and cut).
Crush the above herbs into a coarse powder. Take 1 qian per dose. Add 1 small cup of water, a little fresh ginger, and one jujube. Decoct until the volume reduces to 0.5 cup. Strain. Administer at any time, adjusting the dosage up or down according to the child's age, and serve warm.

Wu Xiang Jian (Five Fragrances Decoction) for treating children with chronic spleen and stomach deficiency, presenting with reduced food intake and emaciation of the four limbs:
Ding Xiang (Caryophylli Flos, 1 liang), Chen Xiang (Aquilariae Lignum Resinatum, 1 liang), She Xiang (Moschus, 1 qian, finely ground and added later), Mu Xiang (Aucklandiae Radix, 1 liang), Huo Xiang (Agastaches Herba, 1 liang), Bai Zhu (Atractylodis Macrocephalae Rhizoma, 1 liang), He Li Le (Terminalia Chebula Fruit, 1 liang, baked), Huang Qi (Astragali Radix, 1 liang, cut into pieces).
Grind the above herbs into a powder. Add 5 sheng of water and slowly decoct until 1 sheng remains. Strain through cloth to extract the juice. Return the juice to the pot, add 3 he of Moschus and honey, and continue decocting. Adjust according to the child's condition.