The main differences between emphysema and tuberculosis are as follows:1. They belong to different categories. Emphysema is a pathological change, belonging to the structural changes, while tuberculosis is a clinical disease, belonging to the infectious disease. 2, the two concepts are different. Emphysema is due to the loss of elasticity of the lung tissue appears over-expansion, resulting in an increase in the air content of a state, and tuberculosis is due to infection with Mycobacterium tuberculosis caused by chronic inflammation of the lung tissue. 3, the two caused by different symptoms. Emphysema generally causes chest tightness, wheezing and dyspnea, while tuberculosis is mainly manifested by afternoon low-grade fever, night sweats, emaciation, coughing, and only severe symptoms will appear wheezing, chest tightness, dyspnea.4. The two treatments are different. Emphysema to improve the symptoms of treatment, is the use of bronchodilators, such as albuterol sulfate to relieve chest tightness, asthma symptoms, while tuberculosis is mainly the use of anti-tuberculosis drugs for anti-tuberculosis treatment. 5, the two prognosis is different. Emphysema can not be completely cured, while more than 90% of tuberculosis can be cured.