The full name of multiple myeloma is multiple myeloma, and the characteristics of multiple myeloma stage III generally include anemia, bone pain, and abnormal kidney function. 1. Anemia: patients with multiple myeloma stage III will have anemia symptoms such as weakness and pallor. 2. Skeletal pain: Usually, multiple myeloma stage III patients will have cartilage destruction during CT examination, which will cause patients to have pain in many bones. 3. Abnormal renal function: with the development of the disease, there may be increased blood calcium or abnormal renal function, which may cause the patient to have symptoms such as increased creatinine, oliguria, anuria and so on. Stage III multiple myeloma is already more serious, it is recommended to go to local regular medical institutions, cooperate with professional physicians, and use radiotherapy (bortezomib, lenalidomide) to control the disease.