The treatment of low white blood cell is mainly targeted treatment of the cause of the disease, active search for the original disease, stop contact with the suspected cause of the disease and drugs, and so on. As the low white blood cell is due to infectious factors, immune diseases, etc., should be in accordance with the doctor’s instructions for drug treatment. 1. Infectious factors: mainly viral infections can appear after the white blood cell reduction, for mild leukopenia, generally do not need special treatment. For mild leukopenia, no special treatment is needed. Moderate leukopenia can be treated with antiviral drugs under the guidance of doctors. 2. Secondary leukopenia caused by immune diseases: immunosuppressants, glucocorticoids and other treatments can be applied. 3. Low white blood cells caused by medication need to suspend the use of drugs, if necessary, can be used to promote the production of granulocytes of drugs, such as vitamin B4, shark liver alcohol, Lixisheng, Diyu ascending white tablets to improve white blood cells. When there is a low white blood cell, you should find out the reason in time, follow the doctor’s instructions and actively cooperate with the doctor’s treatment, do not self-medication, so as not to delay the condition or adverse reactions.