Leukemia complicated with pneumonia is not always selected for treatment with caspofungin. Leukemia is a malignant disease of the blood system, which can be manifested as infection, bleeding, anemia and other symptoms. When suffering from leukemia, the body’s immunity is lowered, and it is easy to be infected with bacteria, fungi, viruses and other pathogens that cause pneumonia, and the treatment of pneumonia needs to be based on the specific types of pathogens to choose the appropriate anti-infective drugs. Caspofungin belongs to the antifungal drugs, mainly against the fungal cell wall role, can be used for lung infections Candida and Aspergillus spp. fungi. If leukemia complicated by pneumonia is not caused by fungi, usually do not use caspofungin. In addition, leukemia-associated pneumonia is often caused by bacterial and viral infections, and less commonly by fungi, so caspofungin is not necessary. When leukemia complication pneumonia, should be according to the type of pathogen in the doctor’s guidance under the standard use of drugs, do not unauthorized use of drugs. If you suspect that leukemia is complicated by pneumonia, it is recommended that you consult a professional doctor in the hospital as soon as possible to avoid delaying your condition.