The main difference between gastric sinusitis and gastritis is that the sites of inflammation are not the same. Gastric sinusitis is mainly inflammation in the sinus area, and gastritis refers to inflammation in all parts of the stomach. The main method of treatment for gastric sinusitis and gastritis is to combine medication with regular dietary treatment, and there are three main categories of commonly used medications: the first category, antibiotic drugs, commonly used are clarithromycin and amoxicillin. The second category, acid-relieving drugs, commonly used are omeprazole and ranitidine. The third category, gastric mucosal protectants, the representative drug is bismuth citrate.