In general, eating too much candy can cause symptoms such as diarrhea and bloating. It may be related to increased secretion of gastric acid, increased osmotic pressure in the intestines, indigestion and other reasons. 1. Increased secretion of gastric acid: eating too much candy can stimulate the stomach and lead to excessive secretion of gastric acid, excessive gastric acid can stimulate the gastrointestinal tract to cause increased secretion, abdominal pain, diarrhea and other symptoms. 2. Increased osmotic pressure in the intestinal tract: Eating too much candy can increase the osmotic pressure in the intestinal tract, stimulating the intestinal mucosa causing abdominal pain, diarrhea and other symptoms. In addition, candy and other substances can induce irritable bowel syndrome, causing abdominal pain, bloating, diarrhea, constipation and other symptoms. 3. Indigestion: Consumption of large amounts of candy may irritate the gastrointestinal mucosa and increase the burden on the gastrointestinal tract, causing bloating, acid reflux, nausea, loss of appetite and other symptoms of indigestion. Candy to eat more may also cause increased blood sugar and diarrhea and bloating and other symptoms, it is recommended to eat a reasonable diet and avoid overeating.