Aluminum sulfate oral suspension is to protect the gastric mucosa of the drug, ace omeprazole magnesium enteric-coated tablets is to inhibit gastric acid secretion of the drug, the two do not conflict with each other, the general gastrointestinal diseases of the patient can be taken together. Aluminum sulfate oral suspension can reduce the stimulation of gastric mucosa by gastric acid, thus protecting the gastric mucosa. The application of the drug may cause constipation, diarrhea, nausea, dry mouth and other adverse reactions. It is contraindicated in cases of hypersensitivity and in premature and immature newborns. Omeprazole is able to inhibit the secretion of gastric acid. Clinically, it is mainly used for diseases of excessive secretion of gastric acid. Common adverse reactions to this drug include dry mouth, mild nausea, vomiting, abdominal distension, constipation, diarrhea and abdominal pain. The drug is contraindicated in patients who are allergic to it or have severe renal insufficiency, as well as in infants, young children and pregnant women. So usually patients with gastric ulcer, duodenal ulcer, chronic gastritis, reflux esophagitis, gastrinoma and other gastrointestinal diseases can take it together. It can relieve epigastric pain, acid reflux, heartburn, belching, epigastric distension and other digestive discomfort. However, it is recommended that the two should not be taken at the same time for too long. The above medicines should not be used on their own, and should be applied under the guidance of a doctor. If the above symptoms exist, it is recommended to go to the hospital, under the guidance of the doctor for early and regular treatment.