Bloating and gas after meals may be caused by eating too fast, obesity, indigestion and so on. 1. Eating too fast: If you eat too fast when eating, it is easy to lead to too much gas into the gastrointestinal tract, thus causing postprandial bloating phenomenon, and eating because of excessive force, but also easy to lead to panting. 2. Obesity: If you are more obese, the burden on the heart and lungs are heavier, minor actions such as eating, you may be short of breath, if you eat too much, but also easy to cause bloating. 3. indigestion: it may be due to overeating or eating too much greasy food leading to indigestion, causing bloating after meals, nausea, increased exhaust and other phenomena, and due to the patient’s physical discomfort, there may be a feeling of shortness of breath. Bloating and gas after meals may also be caused by other reasons. If this symptom occurs repeatedly, you should consult a doctor in time to find out the cause and then treat it promptly.