A high blood count is defined as a white blood cell count in excess of 10,000/mm³ in the peripheral blood. The healing time is related to the specific cause of high blood count and requires specific analysis. If there is a situation such as strenuous exercise before the examination, sometimes the phenomenon of high blood count can appear, usually resting for a few hours will be fine, no special treatment is needed; if it is caused by taking glucocorticoids and other drugs, usually the blood count can return to normal after stopping the drugs for about 2 days. In addition, the most common cause of high blood count is acute infection, such as acute upper respiratory tract infection, acute gastroenteritis, etc., generally about 7 days, the disease recovery, the blood count can be restored. Blood system diseases, such as chronic granulocytic leukemia, can also cause high blood counts, and the patient’s blood counts can gradually recover after about 2 weeks of effective treatment. In conclusion, patients with high blood counts can recover quickly in most cases, but they need to improve the relevant tests and clarify the cause before treatment.