There is no scientific clinical definition of viral leukemia, which may refer to adult T-cell leukemia and is not easily treated. The therapeutic measures for this disease are generally based on different clinical typing and different treatment plans. 1. Chronic/smoldering T-cell leukemia: supportive treatment may be given to control infection (levofloxacin) and improve organ function. Aggressive treatment measures are only considered if there is progression or acute transformation of the disease. The prognosis is poor. 2. Acute or lymphomatous T-cell leukemia: chemotherapy and biotherapy can be used, but the efficacy is not good. Drugs include cyclophosphamide, vincristine, cedarbenazine, etc. Leukemia is a malignant disease of the blood system, in which adult T-cell leukemia can be triggered by the infection of human T-lymphotropic virus-I. The prognosis of this disease is extremely poor. Adult T-cell leukemia is a rare T-lymphocyte proliferative neoplastic disease that occurs in association with T-lymphotropic virus-I infection. It is important to note that patients with viral adult T-cell leukemia are likely to survive for a long period of time, and it is recommended that patients build up their confidence in treatment and receive treatment under the guidance of their physicians.