Aplastic anemia is not contagious, because aplastic anemia is a problem of bone marrow hematopoietic function, the disease is a bone marrow failure disease, because the human immune system, that is, T cells attacked the human bone marrow, so inhibit the bone marrow hematopoiesis, resulting in a reduction of bone marrow cells, resulting in peripheral blood anemia, leukopenia, platelet reduction, clinical manifestations, in addition to check the blood routine three series all reduce, performance The clinical manifestations of the disease, in addition to the reduction of all three blood tests, are mainly fever, anemia, and bleeding, and the disease is not contagious. The current treatment is divided into acute and chronic treatment, and acute aplastic anemia is more difficult to treat. The treatment of chronic aplastic anemia is a combination of Chinese and Western treatment. Chronic aplastic anemia is treated with immunosuppressive drugs, and it is a disease with T-cell immune hyperactivity.