Acyclovir is taken for one year, if herpes does not recur, the drug should be discontinued, if the condition recurs, it is recommended to go to the hospital to consult the doctor about the use of the drug. Herpes patients with recurrent infections, doctors usually use chronic suppression therapy, which requires long-term medication, usually for a period of 6-12 months, if the patient’s condition does not recur after taking acyclovir for one year, it is recommended to stop taking the drug; if the condition recurs again, it is recommended to go to the hospital and decide whether it is necessary to continue to take the medication under the guidance of a doctor. When patients need to take Acyclovir for a long period of time due to their condition, it is recommended that they consult a professional doctor or physician to determine the dosage cycle to avoid any adverse effects.