There is no such thing as “signs of emphysema three days before death”. However, in the late stage of emphysema, cardiac failure symptoms such as sedentary breathing and respiratory failure symptoms such as cyanosis are mainly manifested. 1. Cardiac failure: often manifested as extreme dyspnea, chest tightness, shortness of breath, sitting breathing, that is, can only sit and breathe, lying down the above symptoms aggravate; coughing, and may appear to cough pink foamy sputum, lip cyanosis, profuse sweating; combined with the right heart failure can also be seen in the limb edema, especially the low hanging parts. 2. Respiratory failure: manifested as respiratory failure, the patient mainly manifests as dyspnea, cyanosis of lips and mouth, cyanosis, and even generalized purple. Emphysema is a more serious respiratory disease, once it occurs, we should actively seek medical treatment, standardized treatment.