Daxi is the trade name, generic name is magnesium aluminum carbonate tablets, this product is an antacid and anticholestatic gastric mucous membrane protector, clinically used in the treatment of bile acid-related diseases, reflux esophagitis, gastric acid-induced gastric discomfort and so on. Because this product contains aluminum and magnesium, it can lead to soft pasty stools and increased frequency of stools when taken in large doses, and constipation and dry mouth may occur in a few patients. This product should be prohibited for those who are allergic to this product, severe cardiac and renal insufficiency, hypermagnesemia and hypercalcemia patients should be cautious of using this product. Fire” is a folk name, not a standardized Chinese medicine word, but the fire corresponds to the Chinese medicine heart fire, liver fire, stomach fire and other categories, clinical manifestations of swollen and painful gums, dry mouth and bitter, constipation and so on. After taking magnesium aluminum carbonate tablets, although constipation, dry mouth and other phenomena may occur, but this phenomenon and the so-called “fire” generation mechanism is different, so eating magnesium aluminum carbonate tablets will not “fire”. If there is a need for medication, it is recommended to follow the doctor’s instructions, to avoid blind use of medication to produce adverse effects.