Leukocyte 17 means that the white blood cells are 17×10^9/L. Symptoms of leukocyte 17×10^9/L have different causes and are treated with different medications. Such as chronic granulocytic leukemia, can choose imatinib or hydroxyurea and other drugs; such as streptococcus pneumoniae infection, can choose penicillin or ceftriaxone and other drugs. 1. Chronic granulocytic leukemia: take drugs such as imatinib and hydroxyurea under the guidance of physicians to control abnormal signs of leukemia and improve the cure rate of the disease. 2. Streptococcus pneumoniae infection: use anti-infective drugs such as penicillin and ceftriaxone under the guidance of physicians to effectively kill Streptococcus pneumoniae in the body to achieve the purpose of treatment. With the symptoms of 17×10^9/L white blood cells, you should consult a doctor in time to make a clear diagnosis and carry out targeted treatment under the doctor’s guidance.