Herpes zoster can usually be diagnosed on the basis of clinical presentation and usually does not require related tests. If the patient needs, herpes scrapings and nucleic acid tests can be performed. Herpes zoster is usually caused by varicella zoster virus, and patients will have papules and blisters in a band-like distribution, preferably in the area of intercostal nerves, cranial nerves, etc. During the outbreak of the rash, there is often accompanied by pain, such as dull pain, throbbing pain, and throbbing pain, etc. The doctor can usually make a diagnosis based on clinical manifestations. Usually, doctors can make a diagnosis based on the clinical manifestations. If the patient needs to undergo relevant examinations, he or she can be tested through herpes scrapings and nucleic acid tests, such as herpes base scraping smear to find multinucleated giant cells and intranuclear inclusion bodies; or testing for viral DNA in blister fluids, blood, and so on. For patients who need herpes zoster testing, it is recommended to consult a doctor at a regular hospital to learn about the relevant matters.