Shortness of breath while eating may be related to digestive system diseases, lung diseases, heart diseases and eating too fast. 1. Digestive system diseases: such as reflux esophagitis, when eating, there can be reflux of stomach contents, acid reflux, heartburn symptoms, may also indirectly lead to shortness of breath. 2. Lung diseases: such as chronic obstructive pulmonary disease (COPD), its lung function will be reduced, when the condition is serious, eating, dressing and other daily activities may lead to shortness of breath. 3. Heart disease: such as coronary heart disease, if a large amount of greasy food is ingested, due to the redistribution of blood flow to the gastrointestinal tract, which can lead to a decrease in blood supply to the heart, you may experience shortness of breath during meals. 4. Eating too fast: If a person eats too fast or too quickly, it may affect the body’s intake of oxygen from the outside world, and there is a feeling of shortness of breath. It is recommended that people who can’t catch their breath while eating go to a regular hospital in time to clarify the cause, and if treatment is needed, it should be standardized under the guidance of a doctor.