Lung infiltration during leukemia treatment can be treated by systemic chemotherapy, local radiotherapy, stem cell transplantation, etc. Meanwhile, infection should be controlled. 1. Lung infiltration during leukemia treatment mainly requires systemic chemotherapy, and chemotherapeutic drugs such as vincristine and cytarabine can be chosen to remove a large number of harmful tumor cells in the body; at the same time, local radiotherapy with Qamar Knife, Radio Spectrum Knife, Plastic Knife can effectively kill tumor cells infiltrating the lungs. If systemic chemotherapy and local radiotherapy are not effective, stem cell transplantation can be used. 2. Lung infiltration during the treatment of leukemia can cause cough, sputum and other symptoms, and it is easy to be combined with infection. For bacterial infections, amoxicillin and penicillin can be used; for viral infections, acyclovir and ribavirin can be used; and for fungal infections, flucytosine and itraconazole can be used. Lung infiltration during leukemia treatment, need to actively cooperate with the doctor for treatment, medication must be under the guidance of the doctor, so as to avoid further aggravation of the disease; at the same time, during the treatment need to maintain peace of mind.