Patients with shingles who have only localized blisters and papules can touch water if they have not broken down, but they should not soak for a long time. Once it breaks down and vesicles, you should avoid touching water to avoid infection. Herpes zoster is a skin disease caused by varicella-zoster virus infection. Patients should pay attention to personal hygiene, keep the skin clean, and gently wipe the blisters and papules without breaking, taking care to avoid exerting force to cause the lesions to rupture. If there are ulcers appearing care should be taken to avoid the affected area and keep other parts clean and clear. The disease mostly occurs in adults, and the incidence has a clear tendency to increase with age. Treatment is based on antiviral drugs, such as acyclovir and valacyclovir. Since herpes zoster can damage nerves, nerve-nourishing drugs such as methylcobalamin, vitamin B1, vitamin B12, etc. can be used in combination with pain medications such as indomethacin, carbamazepine, morphine, etc., as prescribed by the doctor. For patients with more severe symptoms, glucocorticoids are also needed to control inflammation.