Raw malt is the mature fruit of barley, family Gramineae. It is flat in nature, sweet in taste, and enters the spleen and stomach meridians. Raw malt has the effect of strengthening the spleen and stomach, dredging the liver and promoting the flow of qi, treating spleen deficiency with little food, breast milk stagnation, breast distension and pain, distension of liver and stomach qi, liver depression and qi stagnation, and pain in both sides of the body. 1. Strengthening the spleen and stomach: raw malt enters the spleen and stomach meridians, treating spleen deficiency and under-eating. 2. Liver and qi: raw malt is sweet and flat in nature, it can help liver and qi, and does not hurt yin and blood, treating breast milk stagnation and other diseases. Clinical application should pay attention to the distinction between concoction method, fried malt, coke malt and raw malt efficacy of the main treatment is different. Fried malt to move the qi, back to the breast (so that the milk to reduce or no longer secretion), digestion, treatment of women weaning, food accumulation (food indigestion and stagnation in the stomach) does not go away; burnt malt digestion stagnation, treatment of epigastric distension and pain, food stagnation does not go away. Raw malt need to be used under the guidance of a doctor, not self-medication to avoid adverse reactions.