The difference between herpes sweat and viral herpes lies in the cause of the disease, whether it is infectious or not, the location of the disease, and the treatment. 1. Pathogenesis: sweat herpes, also known as dyshidrotic eczema, the cause of which is still unclear and may be caused by food, inhalants, the environment and so on. Viral herpes is categorized into herpes simplex and herpes zoster, which are caused by herpes simplex virus and varicella-zoster virus respectively. 2. Contagious or not: Sweat herpes is usually not contagious, but herpes simplex virus, varicella zoster virus, both viruses are contagious. 3. The site of occurrence: herpes perspiration occurs on the palmoplantar and lateral margins of the toes. Viral herpes can occur in different parts of the skin and mucous membranes. 4. Treatment: Herpes sweat is treated with topical glucocorticoids, and herpes is treated with oral and topical antiviral drugs. It is not recommended to judge these two diseases on your own, and symptoms such as itching and flushing of the skin need to be treated promptly.