Feeling bloated all the time, also known as abdominal distension, may be related to improper diet, functional dyspepsia, inflammatory bowel disease, chronic right heart failure and other reasons, as follows. 1. Improper diet: If you often eat greasy, spicy and stimulating food, it may cause gastrointestinal dysfunction, resulting in indigestion, the patient will have a bloated stomach, which may be accompanied by abdominal pain, nausea and vomiting. 2. Functional dyspepsia: a group of diseases caused by mental stimulation, sleep and other factors that do not have a clear organic disease but will appear indigestion symptoms. Patients will have bloating, belching, abdominal pain and other digestive manifestations, but also anxiety, insomnia and other mental symptoms. 3. Inflammatory bowel disease: a non-specific inflammatory disease of the intestinal tract of unknown etiology, including ulcerative colitis, Crohn’s disease. Patients may have recurrent diarrhea, mucopurulent blood stools, abdominal distension, abdominal pain and other symptoms. 4. Chronic right heart failure: in addition to the circulatory system manifestations such as dyspnea after activity and lower extremity edema, patients may also experience digestive system symptoms such as nausea, vomiting and abdominal distension. There are many other causes of abdominal distension, it is recommended to consult a doctor in time, according to the cause of the targeted treatment.