Emphysema with yellow pus and sputum cannot be injected with New Crown vaccine for the time being, and the infection needs to be controlled first. The technical guideline of New Crown vaccination has a clear stipulation that emphysema and chronic bronchitis can be considered to be injected with New Crown vaccine during the stabilization period, while during the acute infection period, New Crown vaccine injection needs to be postponed. Emphysema is mostly seen in patients with chronic bronchitis, and once infected with New Crown virus, these diseases are prone to induce severe infections and even life-threatening, so New Crown vaccine can be injected during the stable period of emphysema. However, there is less data from safety studies on the injection of New Crown vaccine during the acute infection period, and the injection needs to be postponed. Emphysema with yellow pus sputum more suggests that there is a lung infection, bacterial infection is more likely, you need to go to the respiratory department, sputum culture and blood routine and other tests, according to the results of the anti-infection treatment, infection control, and then consider the application of the new crown vaccine.