The blood image is also the number of white blood cells, malignant tumors blood image is higher than 400,000 more than the consideration of leukemia, infection and chemotherapy side effects caused by the need to take anticancer, anti-infection and lower white treatment. 1. Leukemia: If you are suffering from leukemia, the more typical symptom of the patient is a significant increase in the number of white blood cells, you need to take chemotherapy and stem cell transplantation and other programs for treatment in a timely manner, when the condition is stabilized, the number of white blood cells will gradually decrease. 2. Infection: patients with malignant tumors have low immunity and resistance, so it is easy to get infected, and the blood count may be higher than 400,000, which requires the timely use of ceftriaxone sodium, cefoperazone, ribavirin, Yansuning and other antiviral and antibiotic drugs for treatment. 3. chemotherapy side effects: malignant tumor patients in the process of chemotherapy, the use of prednisolone and other glucocorticoid hormone drugs, may also cause the blood image is higher than 400,000 cases, generally after the end of treatment can be restored, if necessary, can be used in the treatment of imatinib mesylate tablets, hydroxyurea tablets and so on. Malignant tumors with a high blood count of over 400,000 is an abnormal manifestation, and needs to be taken seriously and actively treated.