Acute T-lymphoblastic leukemia is relatively serious. Acute T-lymphoblastic leukemia is a more serious type of leukemia, if not actively treated, which is very dangerous for the patient, the disease is relatively difficult to treat, the patient needs to actively cooperate with the doctor standardized treatment. At present, chemotherapy is the main method of treating acute T-lymphoblastic leukemia, which is divided into two phases: induced remission and post-remission treatment, and the specific treatment plan needs to be combined with the patient’s condition and disease typing. It is possible to cure the disease through bone marrow transplantation after the condition is basically stabilized, only if the patient undergoes a comprehensive examination and chemotherapy in time to control the disease and slow down its progression, and actively seeks for bone marrow mating. In conclusion, the treatment of hematological diseases is relatively complicated and requires the active cooperation of patients and their families, standardized treatment according to the doctor’s recommendations, and not changing drugs, delaying or advancing the time of chemotherapy.