The feeling of blockage in the stomach may be caused by factors such as gastrointestinal disorders, stomach diseases such as gastric ulcer, or tumors. 1. Gastrointestinal dysfunction: When the patient’s gastrointestinal function is disturbed, indigestion and flatulence may occur, and the patient may feel a blockage in the stomach. 2. Gastric diseases: patients suffering from gastric diseases such as chronic gastritis or gastric ulcer may experience symptoms of stomach blockage in addition to typical symptoms such as stomach pain, acid reflux and vomiting. 3. Tumor: If there is a space-occupying lesion in the stomach, it will also show the feeling of blockage in the stomach, as well as other symptoms such as loss of appetite, weight loss, vomiting of blood, and so on. If uncomfortable symptoms occur, it is recommended to go to the hospital as soon as possible, so that the doctor can make a clear diagnosis and then give treatment to avoid delaying the condition.