Herpes zoster can occur on the hands, such as the palms, fingers, and backs of the hands, and can appear as clusters of blisters, blood blisters, and pustules with a flushed base, and the blisters, blood blisters, and pustules can be the size of soybeans to rice grains. Herpes zoster may also appear on the affected upper extremity, and patients may experience abnormal manifestations such as tingling, electric shock pain, and burning pain. It may cause enlargement of the ipsilateral axillary lymph nodes, and in severe cases, local rupture, erosion, or even ulceration may occur. Patients need antiviral treatment, such as oral valacyclovir pellets.