The invention relates to stomach medicine and belongs to a pure Chinese herbal medicine preparation. The stomach medicine comprises the following ingredients according to the weight ratio: 250g of paenoiae alba, 120g of citron, 100g of szechwan chinaberry fruit, 80g of rhizoma corydalis, 120g of combined spicebush root, 80g of pseudo-ginseng, 120g of fructus amomi, 70g of elecampane, 120g of radix curcumae, 150g of white atractylodes rhizome, 120g of rhizoma cyperi, 80g of liquorice, 250g of lily, 80g of angelica sinensis, 110g of endothelium corneum gigeriae galli, 80g of galangal, 250g of dandelion and 250g of sculellaria barbata. All recipes are matched, and the effects of nourishing the liver to soften the liver, dredging the hysteresis to harmonize the stomach, invigorating the spleen to supplement qi, and promoting blood circulation to remove blood stasis and relive pain are reached. The whole recipe is mild but not dry and is supplementary and but not sluggish, in addition, the medicine property is gentle, and the stomach medicine can be taken for a long time and approaches to the modern dietary therapy. For peptic ulcer, the six-week ulcer healing rate is 92 percent, the chronic gastritis elimination rate is 93 percent, the stomach medicine has an obvious therapeutic effect on the chronic atrophic gastritis without the therapeutic effect in the prior art and has better therapeutic effects on difficult-to-treat stomach illnesses on which the therapeutic effect of other medicine is poor, and long-term clinical practices show that the stomach medicine does not have any toxic or side effect.