Composition with effects of invigorating Qi and tonifying spleen and preparation method thereof

The invention relates to a composition with effects of invigorating Qi and tonifying spleen and a preparation method thereof. The composition is prepared from the following raw materials and components in parts by weight: 1 to 3 parts of radix ginseng, 3 to 5 parts of semen euryales, 3 to 5 parts of semen nelumbinis, 5 to 6 parts of rhizoma dioscoreae, 3 to 5 parts of poria cocos, 5 to 6 parts of fructus lycii, 5 to 6 parts of rhizoma polygonati, 5 to 6 parts of mulberry fruit, 3 to 5 parts of semen ziziphi spinosae, 1 to 3 parts of fructus alpiniae oxyphyllae, 1 to 3 parts of fructus citrus sarcodactylis, 0.2 to 1 part of fructus amomi, 0.2 to 1 part of cortex cinnamomi, and 1 to 3 parts of fructus gardeniae. The composition has the advantages that by carefully selecting the radix ginseng, the rhizoma polygonati, the fructus Alpiniae oxyphyllae and the like as the basic formula, the active ingredients are extracted, and the composition with effects of invigorating Qi and tonifying spleen is prepared; the fun