Chronic bronchitis refers to chronic bronchitis in the elderly, if chronic bronchitis is in the stable stage of the disease, it is possible to receive the new crown vaccine; if it is in the acute exacerbation stage, it is not possible to receive the new crown vaccine. Elderly people with chronic bronchitis, if chronic bronchitis control is stable, no fever, dyspnea and other discomforts, this situation can be vaccinated with the new crown vaccine. If the chronic bronchitis is in the acute exacerbation stage, accompanied by fever, cough, sputum, dyspnea and other discomforts, this situation is not suitable for vaccination, so as not to aggravate the adverse reactions. Vaccination should be considered after the condition has stabilized. Elderly people suffering from chronic bronchitis and then infected with the new crown, it is often more likely to develop into a seriously ill patient, the new crown vaccine to prevent the infection of the new crown virus is very necessary.