Usually patients with duodenal ulcer need to take medication for 1 month and then review the gastroscopy. Most duodenal ulcers are caused by the excessive secretion of gastric acid by the gastric glands, which leads to localized ulcers after the duodenal mucosa is damaged by the erosion of gastric acid. Usually can be observed under the gastroscope duodenal localized ulceration, white moss, redness, swelling, congestion, and even bleeding. Patients need to follow the doctor’s instructions to take inhibit gastric acid secretion, protect the gastric mucosa of drugs and antibiotics and other drugs for treatment, such as omeprazole enteric-coated tablets, magnesium alumina carbonate tablets, amoxicillin tablets, etc., usually need to be full, full course of treatment for about 1 month, to the hospital to perform a review of the gastroscope, to observe the duodenal ulcers are cured. Duodenal ulcer patients should go to a professional hospital in time, under the guidance of the doctor for systematic treatment, and follow the doctor’s instructions according to the course of medication, and at the same time on time to the hospital for gastroscopy review.