The clinical cure (no relapse 5 years after treatment) rate of acute T-cell young lymphoblastic leukemia is up to 50% to 70% in children and less than 50% in adults. Acute T-cell young lymphoblastic leukemia is a malignant hematologic disease, a type of acute lymphoblastic leukemia, and commonly used treatments include chemotherapy, targeted drug therapy, and immunotherapy. For acute lymphoblastic leukemia, the five-year survival rate is often also referred to as the clinical cure rate. With appropriate and standardized treatment precautions, the clinical cure rate can reach 50% to 70% in children, while the clinical cure rate in adult patients is generally lower than 50%.