Whether or not a double-lung infection is serious depends on a number of factors, such as the severity of the clinical symptoms, the size of the infected area of the lungs, and the patient’s own physical strength. Double-lung infection is an infectious lesion in both lungs, belonging to the category of pneumonia, some patients are not serious, some patients are serious, as follows: 1, not serious: if the clinical symptoms are mild, the scope of the infection area is small, and the patient’s own physical strength, most of them belong to the category of the milder disease, usually not serious, can be cured after active anti-infective treatment. 2, serious: if the scope of the infection area is large, the clinical symptoms are more serious, and the patient himself or herself is physically weak. If the scope of infection is large, the clinical symptoms are more serious, and the patient’s physical condition is weak, it is often easy to progress to severe pneumonia, which manifests itself as obvious chills, high fever, coughing, coughing up sputum, or even shock, hypoxia and other clinical manifestations, and requires active treatment, and in severe cases, it is necessary to be hospitalized, or even admitted to the intensive care unit.