The distention and blockage at the top of the stomach may be caused by functional dyspepsia, chronic gastritis, etc., and the symptoms can be improved by adjusting the diet structure and taking medications such as omeprazole. 1. Functional dyspepsia: If you have dyspepsia, try to avoid oily and spicy foods such as barbecue and hot pot, because such foods can irritate the gastrointestinal tract and aggravate the bloating. Eating more light food and food rich in dietary fiber such as vegetables and fruits can reduce the symptoms. 2. Chronic gastritis: If chronic gastritis is caused by the top of the stomach blockage bloating, can be treated by taking acid-suppressing drugs such as omeprazole, need to pay attention to this kind of drug may cause gastrointestinal discomfort and other adverse symptoms, and allergic to this kind of drug patients are prohibited from using. If the symptoms cannot be relieved after adjusting the diet, or if the symptoms persist for a long time, it is recommended to go to the hospital to find out the cause of the problem and carry out the appropriate treatment under the guidance of the doctor.