Warehouse admission for leukemia patients refers to entering a sterile air laminar flow ward for bone marrow transplantation. Because systemic chemotherapy is required before bone marrow transplantation for leukemia, immunity can be severely compromised after chemotherapy, and it is a treatment to avoid the occurrence of various infections after chemotherapy. In the treatment of leukemia, systemic chemotherapy is needed before bone marrow transplantation. Chemotherapy destroys the body’s hematopoietic function and immune system, which puts the body in a state of severe immune deficiency and makes it extremely susceptible to various infections and other complications. Infection is the most likely complication of leukemia chemotherapy and the main cause of death. Therefore, it is necessary to protect and isolate the chemotherapeutic environment in which the organism is placed, and to conduct chemotherapy in a sterile laminar flow ward. In this ward, all items are sterilized and disinfected, and even the air that circulates is sterilely filtered. It is the sterile environment in the hamper that reduces the chances of infection after chemotherapy and greatly avoids the occurrence of post-chemotherapy infections and ensures the smooth progress of bone marrow transplantation. Specific treatment should be carried out under the guidance of physicians.