Gastric leiomyoma usually includes gastric polyp, gastric adenomyoma, gastric smooth muscle tumor, etc. Gastroscopic resection to cut the leiomyoma, according to the individual’s physical condition and the degree of damage to the gastric mucosa to determine how long to take omeprazole, usually 2-4 weeks. Gastric polyps, gastric adenomyoma, gastric smooth muscle tumors and other gastric leiomyoma are benign tumors of the stomach, usually choose gastroscopic resection treatment, after the resection will cause damage to the gastric mucosa, usually choose omeprazole and other drugs to inhibit acid to help gastric mucosal repair, but because leiomyomas are different, different sizes, and everyone’s physical qualities are also different, so the number of days of oral omeprazole needs to be in the guidance of the doctor under the guidance of their own situation to The number of days of oral omeprazole needs to be determined under the guidance of a doctor according to one’s condition. Omeprazole is a proton pump inhibitor that reduces the secretion of gastric acid by interfering with the proton pump that secretes gastric acid in the stomach wall. Omeprazole is mainly used for the treatment of gastric mucosal injury such as postoperative gastric leiomyosarcoma, gastric erosion, gastroduodenal ulcer and other gastric mucosal injuries. In addition after the application of omeprazole may appear dizziness, headache, dry mouth, nausea, abdominal pain, diarrhea, rash, hives and other adverse reactions, allergies and pregnant women, infants and young children can not be used. Omeprazole needs to be applied under the guidance of a doctor, if the gastroscopy is done myoma is recommended to go to the hospital to see a doctor, under the guidance of the doctor to give the appropriate measures.