A high blood count generally refers to a high number of white blood cells in the blood, or a high blood count. In a normal adult, the number of white blood cells in peripheral blood is between 4,000 and 10,000 cells per milliliter of blood, and higher than 10,000 is a high blood count. There are two types of hyperemia: physiological and pathological. Physiological hyperemia, including strenuous exercise, emotional stress, and external factors such as cold and heat, can cause mildly elevated blood counts. The most common causes of pathological hyperemia are various infections such as acute suppurative appendicitis and suppurative tonsillitis. In addition, acute tissue injuries such as acute myocardial infarction, severe burns, etc., as well as acute poisoning such as acute alcoholism and diabetic ketoacidosis, can also cause high blood counts.