Pharmaceutical composition for strengthening spleen and stomach and preparation method therefor

A method for preparing a pharmaceutical composition for strengthening spleen and stomach, comprising:

• mixing following four substances to obtain a mixture, i.e., the pharmaceutical composition for strengthening spleen and stomach;
• wherein the four substances are (A) ginseng ethanol extract, (B) volatile oil of largehead atractylodes rhizome and tangerine peel, (C) aqueous extract of Indian bread, yamaimo, lotus seed, tangerine peel, liquorice root, hawthorn fruit, germinated barley, largehead atractylodes rhizome and rhizoma alismatis, and (D) fermentation broth of fruits and vegetables,
• the substance (A) is prepared by a method comprising a step of extracting an extract from ginseng with ethanol water by a reflux extraction to obtain the ginseng ethanol extract,
• the substance (B) is prepared by a method comprising steps of soaking largehead atractylodes rhizome and tangerine peel in water, distilling the largehead atractylodes rhizome and the tangerine peel to obtain distillate and dregs, and collecting the distillate to obtain the volatile oil of largehead atractylodes rhizome and tangerine peel,
• the substance (C) is prepared by a method comprising steps of mixing Indian bread, yamaimo, lotus seed, liquorice root, hawthorn fruit, germinated barley, rhizoma alismatis, the dregs obtained in preparation of the substance (B), and water, processing decoction and filtering, collecting filtrate, adding absolute ethyl alcohol, static standing, and collecting clear solution to obtain the aqueous extract of Indian bread, yamaimo, lotus seed, tangerine peel, liquorice root, hawthorn fruit, germinated barley, largehead atractylodes rhizome and rhizoma alismatis, and
• the substance (D) is prepared by a method comprising steps of mixing fruits, vegetables, bacteria liquid of Lactobacillus acidophilus, bacteria liquid of Bifidobactreium longum, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and bacteria liquid of Streptococcus thermophilus, processing fermentation to obtain a fermentation product, i.e., the fermentation broth of fruits and vegetables.