Eating peanuts can lead to flatulence, but not all cases will lead to flatulence, such as eating too much peanuts, suffering from gastric diseases and other cases will cause flatulence. 1. Eating too much peanuts: peanuts contain protein, carbohydrates, fat, dietary fiber and other nutrients, if you eat too much peanuts, it is easy to cause indigestion, protein, carbohydrates, etc. stay in the gastrointestinal, fermentation gas, which leads to flatulence. 2. Stomach diseases: gastritis, gastric ulcer patients, digestive function is reduced compared to healthy people, so the patients eat peanuts are more likely to lead to flatulence. In short, peanuts should be eaten in moderation. Patients with gastritis, gastric ulcers and other digestive dysfunction are advised to eat smaller amounts of peanuts than before. If the flatulence is serious, or if the flatulence persists for several days without improvement, you should go to the hospital in time for treatment.