Dietary precautions for emphysema mainly include avoiding spicy and stimulating foods, avoiding foods that produce too much gas, avoiding allergic foods, and eating foods rich in high quality protein. 1. Avoid spicy and stimulating food: if you eat spicy and stimulating food when suffering from emphysema, it is easy to induce chronic bronchitis or increase the secretion of phlegm, so avoid spicy and stimulating food. 2. Avoid eating indigestible food: Eating indigestible food, such as soybean, sweet potato and other food can easily cause abdominal distension, patients are prone to abdominal distension, indigestion and other symptoms, which in turn affects breathing. 3. Avoid eating allergenic food: if you often eat fish and shrimp seafood in daily life, it may cause allergic asthma or cough, which may aggravate the condition of emphysema, so avoid eating allergenic food. 4. Eat more food rich in high quality protein: with emphysema when the body’s immunity is low, you can eat more food rich in high quality protein, such as lean meat, eggs, etc. can increase the body’s immunity. Emphysema patients need to eat a balanced diet of meat and vegetables, not picky about what to eat, at the same time, to avoid exposure to smoke, smokers quit smoking in time, so as not to affect the health of the body. Emphysema patients with discomfort, please timely hospital consultation, so as not to delay the condition.