Myeloma chemotherapy usually requires 4~6 courses of treatment, and some patients with severe symptoms need 6~12 courses of treatment. Myeloma, also known as multiple myeloma, is a malignant proliferative disease of plasma cells, in which plasma cells in the bone marrow proliferate abnormally and secrete monoclonal immunoglobulin, which leads to organ and tissue damages, and chemotherapy is generally used in the clinic for the treatment of it. Patients with multiple myeloma are treated with a 28-day cycle of chemotherapy, and generally experience symptomatic relief after 4 to 6 courses of treatment, while some patients with severe symptoms may require 6 to 12 courses of treatment. The number of treatment courses depends on the degree of development of the disease, the more malignant the disease is, the number of chemotherapy courses required will increase accordingly. Specific treatment should be carried out under the supervision of a doctor.