You can continue to use topical medications to prevent bacterial infections under the scabs after the herpes scabs have formed. Herpes is due to viral infection caused by the disease, as the disease continues to progress herpes blisters will gradually dry up, scabs, scabs are also recommended to continue to use some of the preventive medicine to prevent infection, such as mupirocin ointment, can be a good way to avoid bacterial infections under the scabs. In addition, if the scabs do not fall off for a long time, erythromycin ointment can also be used to promote the softening of the scabs off. Patients should develop good habits, do not touch the trauma site directly with hands, do not tear the scabs violently with hands, clean the scabbed area regularly, and eat a light diet. If there are uncomfortable symptoms in time to the hospital, the drug should be used in accordance with medical advice.