Leukocyte increase 50 need to analyze the cause of the cause of treatment, bacterial infection caused by elevated, can be anti-infective treatment (such as cephalosporin, etc.); due to the use of hormonal drugs (such as dexamethasone, etc.) caused by the elevation of white blood cells, can be discontinued; due to hematological disorders (such as chronic granulocytic leukemia), available imatinib and other drugs. 1. Bacterial infection: common in Streptococcus pneumoniae infection, etc. Cephalosporins can be used for anti-infection treatment. 2. Long-term use of hormone drugs: the application of dexamethasone, etc. can also make the white blood cells rise, can be correctly discontinued under the guidance of the doctor hormone drugs, discontinued white blood cells can return to normal. 3. Blood system diseases: if chronic granulocytic leukemia causes high white blood cells, you need to choose the appropriate drugs under the guidance of the doctor to actively treat, such as imatinib and so on. No matter which cause of white blood cell elevation, it is necessary to do the relevant examination to confirm the diagnosis, under the guidance of the doctor active treatment.