Multiple myeloma is a primary malignant tumor of bone marrow characterized by proliferation of cells arising from primitive marrow reticulum that resemble plasma cells. This is one of the most common primary malignant neoplasm invoiving bone elements. Bone pain, soft tissue mass, low grade fever, anemia, neurologic symptom and renal insufficiency are the main clinical pictures. Authors present radiological and clinical findings of multiple myeloma in 10 cases of pathologically proved multiple myeloma. The results obtained are as follows; 1. In the age and sex distributions, all cases are over 45 years of age, and male to female is 7:3. 2. Clinical manifestations are bone pain, anemia, infection, weight loss, and bleeding. 3. Radiological findings are numerous punched out osteolytic lesions, generalized osteoporosis & osteolytic change, pathologic compression fractures, fracture only and osteoporosis, lytic and fractures. 4. Laboratory findings are monoclonal gammopathy in serum-electrophoresis, proteinuria, anemia, elevated uric acid in serum, Bence-Jones protein in urine and albumin/globulin ratio inverse in serum protein.