Duodenal bulbous ulcer attack period can not drink yogurt, recovery period can drink yogurt. Duodenal bulbous ulcer attack period, refers to the patient’s symptoms are obvious, or aggravated during the period, at this time the gastric mucous membrane damage, gastric acid stimulation mucous membrane aggravate the damage. Need to use gastric mucosa protective agent aluminum thioglycollate, acid-suppressing drugs such as omeprazole and other combined treatment to alleviate the condition. It is not advisable to consume yogurt, which will stimulate the increase of gastric acid secretion and cause the aggravation of gastric discomfort. Duodenal bulbous ulcer recovery period, mucosal barrier repair, at this time the consumption of yogurt on the gastric acid secretion caused by the increase in mucosal stimulation will be reduced. Therefore, it is recommended to drink yogurt during the recovery period of duodenal bulbous ulcer. Duodenal ulcer is recommended to standardize the diagnosis and treatment under the guidance of the doctor, and follow the doctor’s instructions to take medication.