With microcytic hypochromic anemia, there is usually no multiple myeloma and the two are not directly related. The cause of microcytic hypochromic anemia is due to a disorder of hemoglobin synthesis, which can be seen in iron deficiency anemia and thalassemia, among others. In iron deficiency anemia, there is a lack of iron ions, which are essential for hemoglobin synthesis, and in thalassemia, there is a lack of the raw material for hemoglobin synthesis due to genetic factors, which leads to microcytic hypochromic anemia. And multiple myeloma for extensive bone marrow plasma cell proliferation, nutrient deficiency, which leads to anemia, this cause of anemia is generally orthostatic anemia, will not appear small cell hypochromic. If there is any discomfort, it is recommended to consult a doctor for further examination and treatment.