The efficacy of Malt and Grain Buds Hawthorn Soup is to invigorate the stomach and eliminate food stagnation, used in treating food and drink stagnation, epigastric (abdominal) distension, and lack of food and hunger. 1. Malt: It is effective in promoting circulation of Qi and elimination of food, strengthening the spleen and appetizing the stomach (enhancing appetite by strengthening the spleen), restoring breast milk and eliminating flatulence. It is used for stagnant diet, distention and fullness in the epigastrium, deficiency of the spleen, low food intake, breast distension and pain caused by the accumulation of breast milk, weaning of women, liver and stomach qi pain, etc. It is prohibited during lactation. It is forbidden for women during lactation, and should be used with caution for pregnant women and people without stagnation. 2. Guliang: It has the effect of eliminating food and harmonizing the middle, strengthening the spleen and opening the stomach. It is used for food accumulation without elimination, epigastric distension and pain, little food without hunger, dyspepsia and so on. The adverse reactions and contraindications of this drug are not clear. 3. Hawthorn: It has the efficacy of eliminating food stagnation (digesting stagnant food), promoting circulation of Qi, dispersing blood stasis, resolving turbidity and lowering fat (cleansing the body of impurities and reducing excess body fat). It is used for dietary stagnation, dysentery and abdominal pain, hernia pain, blood stasis and menstrual occlusion, heart and abdominal stabbing pain, hyperlipidemia and so on. It should be used with caution for those who usually have excessive stomach acid and those who have weak spleen and stomach without stagnation. All the above three drugs have the effect of strengthening the stomach and eliminating food, decoction together can be used for treating food and drink stagnation, distention and fullness in the epigastric region, little food and no hunger. Malt, grain bud and hawthorn should be used under the guidance of a professional Chinese medicine practitioner, and should not be used blindly by oneself to avoid causing adverse reactions.