Hematopoietic disorders are diseases that occur in the hematopoietic cells or hematopoietic organs. There are various diseases of the hematopoietic system, and the common diseases include, first, erythropoietic diseases, including various types of anemia, such as aplastic anemia, hemolytic anemia, thalassemia, iron deficiency anemia, megaloblastic anemia, etc., and also erythropoietic diseases, such as true erythropoietic disease, secondary erythropoietic disease, etc. Second, leukocyte disease, including leukopenia, also includes a variety of leukemia, such as chronic leukemia, acute leukemia. Chronic leukemia is divided into chronic granulocytic leukemia, chronic lymphocytic leukemia; acute leukemia is divided into acute lymphocytic leukemia, acute myeloid leukemia. Third, platelet diseases, including immune thrombocytopenia, and thrombotic thrombocytopenic purpura, while thrombocythemia also includes primary thrombocythemia and so on.