Pre-existing symptoms of herpes zoster, similar to the manifestations of upper sensory symptoms, such as low-grade fever, general malaise, and loss of appetite, are the pre-existing manifestations. There may also be painful sensitivity, burning sensation or pain in the area of the lesion where the herpes is about to occur. It takes about 1-4 days after the onset of these manifestations for erythema and blistering to appear as a typical clinical manifestation of herpes zoster. The most important drugs for the treatment of herpes zoster are antiviral drugs, commonly acyclovir, valacyclovir, famciclovir, and ganciclovir; nerve-nourishing mecobalamin; in patients with good health, no immune deficiency, and no tumors, prednisone hormone drugs can be used for a short period of time; interferon; pain medication with the patient to relieve nerve pain; topical drugs are mainly antiviral drugs. The topical drugs are mainly anti-viral drugs, such as penciclovir, can be applied; they can also be used in conjunction with traditional Chinese medicine to carry out treatment. Herpes zoster also has clinical efficacy.