Hanging water is clinically known as intravenous infusion, the baby’s white blood cells 22 × 10 ^ 9 / L is relatively high, may be caused by viral, bacterial infections, etc., you can choose under the guidance of the doctor for intravenous infusion treatment. 1. Viral infections: if the respiratory syncytial virus caused by viral pneumonia and bronchitis, skin herpes virus infection, etc., you can choose under the guidance of the doctor for antiviral drugs intravenous infusion treatment. 2. Bacterial infections: various infections caused by bacteria, such as abscess, bacteremia, pneumonia and endocarditis, etc., can be selected under the guidance of the doctor for antibacterial drugs intravenous infusion treatment. The baby’s white blood cells 22×10^9/L is relatively high, parents need to pay attention to, according to the actual situation follow the doctor’s advice to the baby oral medication or intravenous infusion treatment.