There are no ten self-examinations of leukemia, if patients suspect that they have leukemia, they can check whether they are associated with the basic causes of leukemia, and then combine them with specific symptoms for a simple analysis, and then they can clarify whether they have leukemia through physical examination, and blood routine, blood biochemistry and bone marrow aspiration and other laboratory test results under the guidance of a professional doctor.1. Basic causes: At present, leukemia The cause of leukemia is unclear and may be related to viral infections, environmental influences, family genetics, and the effects of other diseases. If the patient has human T-lymphocyte virus type I infection, long-term exposure to ionizing radiation, years of exposure to chemical agents such as ethylene double morpholine, a relative in the family with leukemia, or suffering from lymphoma, multiple myeloma and other disease conditions, the chances of suffering from leukemia are higher than normal; 2, specific symptoms: leukemia is divided into acute leukemia and chronic leukemia. The specific symptoms of the two are different. Acute leukemia has a rapid onset and mainly has symptoms related to anemia, bleeding, fever and infection. Dizziness and weakness, pallor, petechiae, petechiae, bleeding gums and excessive menstruation may occur, and in severe cases, widespread bleeding throughout the body may occur. Chronic leukemia has a slow onset and may present with symptoms such as weakness, night sweats, lethargy, low-grade fever, hepatosplenomegaly, bleeding, bone pain, etc. Some patients may also have symptoms of swollen lymph nodes in the head and neck, supraclavicular area, etc. In advanced stages, they may develop anemia and be prone to infection. In addition, patients may also have headache, swollen testicles and other symptoms; 3. Specific examination: mainly includes physical examination and laboratory tests. Firstly, the doctor checks whether the patient has bleeding, petechiae, enlargement, abnormal spleen and other conditions through physical examination such as visual examination, palpation and auscultation, in order to understand the condition initially. Then, through laboratory tests such as routine blood tests, blood smear, blood biochemistry, bone marrow aspiration, immunophenotyping, and cerebrospinal fluid examination, the patient’s blood specifics are understood to clarify whether he or she has leukemia. In the blood tests, patients may be found to have an increase in white blood cells and a decrease in hemoglobin, platelets, and red blood cells. In the peripheral blood smear findings, myeloid cells may be found. In addition, a cerebrospinal fluid examination that reveals leukocyte invasion is often considered “central nervous system leukemia”. In addition, depending on the symptoms, the doctor may recommend a chest x-ray, CT of the head and abdomen, and a lymph node biopsy. If the diagnosis is confirmed, aggressive treatment such as targeted drugs, interferon, radiotherapy, etc. should be followed, and the patient should be reviewed regularly.