Adult acute lymphoblastic leukemia is more difficult to be completely cured, with a low lifetime relapse-free cure rate and a survival rate of only 30% over 3 years. The prognosis of pediatric type is relatively good. Acute lymphoblastic leukemia is a malignant blood system disease. Clinical manifestations often include fatigue, fever, loss of appetite, weight loss, dizziness, etc. Some patients may develop abdominal masses as well as pain in bones and joints. 1. As the cause and mechanism of acute lymphoblastic leukemia are still unclear, most adult patients cannot be completely cured, and there are some differences in survival period, with a median survival period of 35-63 months, and there are also patients who survive for more than 10 years. 2. Pediatric acute lymphoblastic leukemia can be cured after standardized treatment, and the prognosis is good, with a disease-free survival rate of 70%~80%. When symptoms such as fatigue, fever, loss of appetite and bleeding gums, nosebleeds, etc. occur, it is necessary to go to the hospital at the first time and receive regular treatment under the guidance of the physician in order to prolong the survival period. Specific drugs include cyclophosphamide and vincristine.