Herpes is generally caused by varicella herpesvirus infection. Herpes can be divided into herpes simplex and herpes zoster. Herpes simplex also includes herpes simplex of lips and lips, genital herpes, etc. The manifestations of herpes generally include erythema, blisters, herpes, even erosion, accompanied by pain and other symptoms. It is recommended to go to the dermatology department of the hospital for diagnosis and treatment of herpes, or use some antiviral drugs such as acyclovir and valaciclovir, or choose acyclovir cream or calamine lotion for external use. In terms of diet, we should mainly eat light food, not spicy or fried greasy food, pay attention to regular work and rest, not stay up late, and strengthen exercise to improve the body's immunity.