30-year-old emphysema patients if the disease is not serious, usually also pay attention to maintenance, avoid cold, cold, away from air pollution, and will not affect the life expectancy, but is not able to live another 60 years is also related to other factors. Emphysema is usually caused by recurrent lung disease. It is difficult to cure this disease completely, but with active treatment, further deterioration of lung function can be delayed and is not life-threatening. However, life expectancy is affected by many factors and does not depend on emphysema alone. Usually, patients should pay attention to monitoring the lung function, and if the patient’s lung function has changed, the progression of the disease can be slowed down after active treatment. In terms of diet, people with emphysema should also pay attention to, should be rich in nutrients, light, easy to digest diet, avoid spicy diet. Tobacco contains relatively more harmful substances, which will aggravate emphysema, emphysema patients must quit smoking. Patients with emphysema are advised to consult a doctor if they feel unwell.