Malt tea should refer to the use of malt to make tea, its efficacy and effects include back to the breast (so that the milk to reduce or no longer secreted), elimination of food and so on. However, the active ingredient in the water is limited, and generally does not achieve the therapeutic effect, the specific should follow the doctor’s advice. Malt has the effect of promoting qi and eliminating food, invigorating the spleen and stomach, and eliminating breast milk and flatulence, which can be used to treat nausea and vomiting, loss of appetite, abdominal fullness (abdominal distension), diarrhea (diarrhea), food stagnation (indigestion of food and stagnation of food in the stomach), belching (belching), acid swallowing (swallowing of acid in the stomach that goes up to the oropharynx) and other illnesses. In addition, malt may be used as prescribed by a doctor for lactating women who experience milk stagnation and breast swelling when weaning. The adverse effects of this product are not known, and it should be used with caution in people with phlegm-fire asthma and pregnant women. Nursing women, patients who do not have stagnation should be used with caution. Patients who are not feeling well are advised to consult a doctor in time, and it is recommended that you can drink malt tea under the guidance of a doctor, and you should not drink too much malt tea without authorization.