Lung infection in advanced stage of multiple myeloma can be treated by anti-infection therapy, infusion of immunoglobulin, application of granulocyte stimulating factor, etc. The doctor will determine which kind of treatment will be used according to the patient’s specific situation. 1. Anti-infection treatment: drugs include levofloxacin, cephalosporin and so on. 2. Infusion of immunoglobulin: due to the decrease of normal immunoglobulin in multiple myeloma patients, it can also be infused with immunoglobulin to increase the level of one’s own normal immunoglobulin, and then improve the immunity of the organism. 3. Application of granulocyte stimulating factor: in the course of treatment, because the use of chemotherapy drugs will lead to the decline of white blood cells, granulocyte stimulating factor can also be applied to stimulate the production of white blood cells, which can improve the immunity of human body. General multiple myeloma patients with decreased immunity, so you need to target the individual, do a good job of personal hygiene, such as diligent bathing, diligent change of clothes, diligent nail clipping, pay attention to oral mucosa, perianal hygiene. After clarifying the cause of the disease, the doctor guides the treatment.