If the amount of white blood cell count is high, it often indicates that the child is suffering from a bacterial infection, if it is a viral infection, the white blood cell count is often in the normal range or slightly low, the significance of the neutrophil count is basically the same as the white blood cell count. 2, If the count and percentage of lymphocytes in a child’s blood is significantly high, most children have a viral infection. 3, you can look at the hemoglobin concentration in the blood report, if the hemoglobin concentration is below the low limit of normal, it indicates that the child has anemia. 4, you should also look at the platelet count in the routine blood count, if the platelet count is below the low limit of normal, it often indicates thrombocytopenia. If the platelet count is below the low limit of normal, it often indicates thrombocytopenia, and it is important to pay attention to whether the child has bleeding.