“Breathlessness at meals” is clinically known as dyspnea at meals. You should consider whether you have coronary heart disease, chronic obstructive pulmonary disease and other diseases. 1. Coronary heart disease: eating will cause redistribution of blood flow in the body, there will be more blood gathered in the digestive tract will lead to insufficient blood supply to the coronary arteries. Coronary artery disease patients with coronary artery stenosis itself, eating will aggravate the insufficient blood supply to the heart, resulting in chest tightness and shortness of breath. Eating should be done slowly and in small meals. 2. Chronic Obstructive Pulmonary Disease (COPD): Patients with COPD, due to diffuse obstruction of small airways causing pulmonary ventilation dysfunction, when eating, the gas into the lungs is reduced, which will aggravate respiratory distress and shortness of breath. If the above symptoms occur, one should seek medical attention to identify the cause of the disease and treat the cause.