The invention discloses a new Chinese medicinal composition for treating diseases of weakness of spleen and stomach and indigestion, and a preparation method thereof. The Chinese medicinal composition mainly comprises the following raw material medicaments: stir-fried medicated leaven, scorch-fried crataegus, stir-fried barley sprout, scorch-fried areca, chicken's gizzard-membrane, cassia bark, dried ginger, rhizoma corydalis, nutgrass galingale rhizome, costustoot, combined spicebush root, Indian buead, swordlike atractylodes rhizome, officinal magnolia bark, fortune eupatorium herb, fructus amomi, tsaoko amomum fruit, nutmeg, fresh membranous milkvetch root, pilose asiabell root, common yam rhizome, Chinese angelica, white paeony root, baical skullcap root, lightyellow sophora root, fresh rehmannia root, tree peony bark, combined spicebush root, anemarrhena asphodeloides bunge, Mongolian snakegourd root, common lophatherum herb, ash bark, bunge cherry seed, fructus cannabis and rhubarb. The Chinese medicinal composition can be prepared into any common oral preparation by a general method for preparing a Chinese medicinal preparation. The Chinese medicinal composition can obviously improve symptoms of the weakness of spleen and the indigestion, obviously improves stomach duct dull pain, glomus and fullness, and abdominal distension, obviously improves appetite, improves diet amount, and has exact clinical curative effect, obvious curative effect and quick response. The Chinese medicinal composition basically combines medicinal and edible medicaments specified in national pharmacopoeia, so the Chinese medicinal composition has the advantages of low cost, basically no toxic or side effects and the like.