The following diseases can be obtained from irregular eating: 1. chronic gastritis, always eating irregularly will lead to increased secretion of gastric acid from the stomach wall, the gastric mucosa repeatedly under the stimulation of gastric acid leads to chronic damage to the gastric mucosa, which can eventually lead to chronic superficial gastritis, and in severe cases, chronic erosive gastritis, and in longer cases, chronic atrophic gastritis. 2. peptic ulcer, irregular eating, the gastric mucosa under the stimulation of gastric acid appears mucosal damage, the protective barrier of the gastric mucosa is damaged, and the peptic ulcer can appear. 3. The peptic ulcer can occur when the protective barrier of the gastric mucosa is damaged and the gastric acid and pepsin produce self-digestion of the gastric mucosa. 3, gallstones, eating can lead to contraction of the gallbladder, so that the bile is discharged, and irregular eating, irregular contraction of the gallbladder, a large amount of bile in the gallbladder stagnation, precipitation, thus appearing gallstones. 4, irregular eating leads to unbalanced absorption of nutrients in the body, unable to 5, menstrual disorders, irregular eating in the female population, resulting in disruption of hormone secretion in the body, resulting in menstrual disorders.