Adult acute t-lymphoblastic leukemia is partially amenable to long-term disease-free survival or even cure with active and standardized treatment, which is mostly related to factors such as age and disease risk stratification. Adult acute t-lymphoblastic leukemia originates from T-lineage lymphoid progenitor cells. Leukemia cells proliferate and aggregate abnormally in the bone marrow, thus inhibiting normal hematopoiesis and leading to anemia, thrombocytopenia, and neutropenia, and also invading extramedullary tissues, such as the meninges, liver, spleen, and lymph nodes, and causing the corresponding lesions. Without special treatment, the average survival period is short. After active and standardized treatment, some of them can obtain long-term disease-free survival or even cure. Generally the older the age, the worse the prognosis. The lower the risk stratification, the better the treatment effect and the higher the cure rate. The higher the risk stratification, the worse the treatment effect and the lower the cure rate. The treatment of adult acute t-lymphoblastic leukemia is complicated and lasts for a long time. In daily life, you should keep a good mindset, actively cooperate with the treatment, and have regular checkups to strive for early recovery.