Herpes is a class of diseases caused by human herpes virus infection, different types of herpes growth sites are different, herpetic diseases such as herpes simplex, chickenpox, herpes zoster distribution sites are different. 1. Herpes simplex: herpes orofacialis occurs at the junction of the skin and mucous membranes, such as the corners of the mouth, lip margins, etc.; genital herpes occurs in the genitals and perineum. 2. chickenpox: chickenpox first in the head and face, later extended to the trunk and limbs, but also can involve the oral cavity, respiratory tract and other mucous membranes. 3. Herpes zoster: Herpes zoster lesions occur in the area innervated by the intercostal nerves, cerebral nerves and lumbosacral nerves, and the rash is usually distributed on one side of the body, not exceeding the midline. Patients with herpes need to go to the hospital in time for active treatment.