Herpes simplex virus type 1 IgG is contracted through direct contact. There are two types of human herpes simplex virus, herpes simplex virus type 1 and herpes simplex virus type 2.Type 1 mainly causes infections of skin mucous membranes and organs other than the genitals, such as the mouth, lips, and eyes. Although it is somewhat infectious, it is not very infectious and is mainly contracted through direct contact with the skin and mucous membranes. It is mostly a latent infection and does not show symptoms. Herpes simplex virus type 1 IgG occurs mostly at the junction of skin and mucous membranes, with some isolated or densely arranged small blisters. The vast majority of patients are painless and itchy, while a few may rupture and experience irritating pain. Treatment options include oral antiviral vasiclovir hydrochloride tablets and topical recombinant interferon gel, both under medical supervision. Herpes simplex virus type 1 infection is very common in the population, usually in the incubation period and recurrent infection of patients is very high. Usually need to pay attention to improve their own resistance, enhance physical fitness, reduce viral infections.