Herpes in the elderly generally refers to herpes zoster, mainly caused by varicella-zoster virus infection, is a contagious skin disease, the elderly and people with reduced or defective immunity are at high risk of suffering from herpes zoster. Generally when the human body has been infected with varicella-zoster virus, although after treatment, the condition can be effectively controlled, but the varicella-zoster virus will be latent in the human body, with the decline of the human body’s immunity, the body of the virus will be reactivated, and cause herpes zoster. Elderly people can be triggered by shingles if they are exposed to varicella-zoster virus. In addition, if the body’s immunity drops due to fatigue, stress, trauma, diabetes, AIDS, chemotherapy, etc., the body’s immune system can activate the varicella-zoster virus in the body, which can lead to the development of shingles. It is recommended that after diagnosis, patients should seek treatment in regular hospitals to avoid delaying their condition. Usually pay attention to enhance physical fitness, eat a balanced diet, enhance the body’s resistance.