Feeling bloated after eating, feeling bloated after a while, and having unformed stools are considered to be caused by indigestion, gastrointestinal dysfunction, and intestinal flora imbalance. 1. Indigestion: after eating, the food in the gastrointestinal tract can not be well digested and absorbed, and there will be a lot of water content in the stool, resulting in the stool is not shaped; and, due to the indigestion of gastrointestinal peristalsis slows down, may appear the symptoms of abdominal distension. 2. Gastrointestinal dysfunction: Gastrointestinal dysfunction can lead to decreased gastrointestinal peristalsis causing abdominal bloating, and abnormal intestinal function can also cause abnormal stool properties, increased water content of stool, resulting in unshaped stool. 3. Intestinal flora imbalance: when intestinal flora imbalance, the balance between microflora in the intestinal tract is damaged, and gas-producing bacteria increase, which will cause symptoms such as unshaped stools and bloating. When you have a bloated stomach after eating, a bloated belly after a while and unformed stools, it is recommended that you go to the hospital in time.