When childhood leukemia is detected in time and treated aggressively, it is possible to alleviate and reduce symptoms, but a cure can usually only be achieved through allogeneic hematopoietic stem cell transplantation. However, different types of leukemia are treated differently, and the prognosis of whether the disease can be cured is also different. Children with leukemia can be relieved and mitigated if they are found in time, mainly through general treatment, radiotherapy, medication, etc., so as to ensure the long-term survival of patients, and some of them can be cured through allogeneic hematopoietic stem cell transplantation. Patients need to face up to their condition, understand the knowledge of the disease, alleviate negative emotions, establish confidence in treatment, and carry out post-operative care and drug care under the guidance of doctors. Acute leukemia patients, without special treatment, the average survival period is only 3 months, or a few days after the diagnosis of death; chronic leukemia can survive for a long time after active treatment. So children suffering from leukemia, must be timely consultation and treatment, specific please follow the doctor’s instructions for treatment.