Leukemia does not exist in the most afraid of what approach, leukemia has different subtypes, the treatment is different, the treatment includes chemotherapy, targeted therapy, immunotherapy, hematopoietic stem cell transplantation and so on. Leukemia is divided into acute leukemia and chronic leukemia. The main treatment for acute leukemia is chemotherapy, and some patients can be treated with hematopoietic stem cell transplantation. Chronic leukemia is mainly treated with targeted drugs to control the disease, chemotherapy and immunotherapy, etc. To achieve the goal of eradication, allogeneic hematopoietic stem cell transplantation is needed. Patients with leukemia are advised to go to the hospital in time, and the professional doctor will choose the appropriate treatment according to the specific conditions of the disease.