The invention discloses a traditional Chinese medicine composition for treating dyspepsia and a preparation method thereof. The traditional Chinese medicine composition mainly comprises the following medicinal materials: radish seed, medicated leaven, malt, rice-grain sprout, stir-fried areca seed, stir-fried haw, chicken's gizzard-membrane, dried orange peel, green tangerine peel, Chinese eaglewood, Szechwan chinaberry fruit, longstamen onion bulb, grassleaf sweelflag rhizome, immature bitter orange, combined spicebush root, nutgrass galingale rhizome, flos rosae rugosae, aspongopus, Szechuan lovage rhizome, turmeric root-tuber, turmeric, officinal magnolia bark, fructus amomi, Chinese dwarf cherry seed, rhubarb, mongolian snakegourd root, ground beeltle, pangolin scale and the like. Thetraditional Chinese medicine composition can be prepared into any common oral preparation according to the conventional traditional Chinese medicine preparation method. The invention can effectively improve symptoms such as dyspepsia, belly malaise or pain, distension, heartburn (acid regurgitation), eructation, apocleisis or deficient eating and uneasiness, the clinic curative effect is assured,the curative effect is remarkable, and the traditional Chinese medicine composition can quickly take effect. The traditional Chinese medicine composition also has the advantages of cheapness, nearly no toxic side effect and the like.