Omeprazole and Sanjiu Gastritis belong to different types of drugs, used in the treatment of gastric diseases can not be compared which is better. Omeprazole belongs to the western medicine, can inhibit gastric acid, suitable for gastroesophageal reflux disease, gastric and duodenal ulcers, gastrinoma and so on. Adverse reactions of this product can be seen as headache, constipation, abdominal pain, diarrhea, gastrointestinal flatulence, nausea, vomiting and so on. It is forbidden for those who are allergic to this product. Sanjiu Gastro-Thai Granules is a proprietary Chinese medicine, which is composed of Sanjiu Bitter, Jiulixiang, Amaryllis, Mucuna pruriens, Scutellaria baicalensis, Poria cocos, Radix et Rhizoma Dioscoreae, Radix Paeoniae alba, with the effect of clearing away heat and drying up dampness (clearing away heat and drying up dampness), softening the liver and relieving pain (treating pains caused by deficiency of liver yin and liver blood), and promoting qi and activating the blood (promoting the operation of gases to make the blood circulate). Sanjiu Gastroparesis Granules are used for stomach pain caused by internal dampness-heat, stagnation of qi and blood stasis (stagnation of blood due to lack of circulation of qi), which manifests as vague pain in the epigastrium (abdomen), acid reflux, fullness, vomiting, nausea, and so on. The adverse effects and contraindications of this drug are not known. Omeprazole and Sanjiu Gastritis are two different types of drugs, with different mechanisms of action, used in the treatment of gastric diseases can not be compared to which is better. If you are not feeling well, you should seek medical advice and choose your medication under the guidance of your physician.