Compound famotidine calcium-magnesium chewable tablet and preparing method thereof

The invention relates to a compound famotidine calcium-magnesium chewable tablet and a preparing method thereof. The compound famotidine calcium-magnesium chewable tablet contains famotidine, calcium carbonate and magnesium hydrate. Specifically, the invention belongs to the medical technical field and relates to a drug combination for treating stomach diseases, in particular to a compound drug containing famotidine, calcium carbonate and magnesium hydrate, and further to a famotidine calcium-magnesium chewable tablet which has excellent pharmacy property and contains famotidine, calcium carbonate and magnesium hydrate. The famotidine calcium-magnesium chewable tablet not only has excellent pharmacy property, but also has excellent chemical stability. The famotidine calcium-magnesium chewable tablet can treat or prevent sour regurgitation, gastric acid excess, heartburn, stomachache, gasteremphraxis, belching and other stomach discomfort clinically. The invention further relates to the preparing method of the famotidine calcium-magnesium chewable tablet.