High white blood cells are not necessarily leukemia. Sometimes having inflammation or other cancers can lead to a reactive increase of white blood cells in the body. By analogy, if there is an enemy invasion, troops will be mobilized and then go against the invaders, there may be a relative increase in the number of troops, and in this case the white blood cells will increase, and these white blood cells are an increase in the number of normal cells. The leukemia is because the number of soldiers in the inside, although increased, but mainly the quality of the problem, itself should be young and strong young men, but appeared instead some teenagers, or even infants and children. If the number of leukocytes is high, but they are some normal cells, again despite being high, it is not leukemia, there is a condition called leukemia-like reaction, like leukemia, but not leukemia. If the white blood cells are very high, the red blood cells are very low, and the platelets are also very low, then acute leukemia is more likely, but if the white blood cells are very high, the platelets are also obviously very high, and there is a slight anemia, and the liver and spleen are enlarged, then it may be chronic granulocytic leukemia. Leukemia.