How does leukaemia have a fever to do all the time

Leukemia has been a fever, need to take appropriate cooling measures as soon as possible to promote the lowering of body temperature. For example: you can use warm water to wipe the forehead, neck, armpit, groin and other large blood vessels to promote heat dissipation. Drink as much water as possible. If the temperature is higher than 38.5 degrees, you need to take antipyretic drugs as soon as possible to cool down. At the same time, you need to give chemotherapy to control the disease.