HSV virus is a herpes simplex virus, which is clinically divided into two types, herpes simplex virus type 1 and herpes simplex virus type 2, as follows: 1. Herpes simplex virus type 1: mainly appears around the mouth and lips and at the junction of the skin and mucous membranes, where herpes can be seen in clusters, accompanied by erythema, and accompanied by a tingling sensation. The herpes simplex virus is a low-risk type 1 infection that occurs around the mouth and is often caused by exertion, late nights, poor rest and dietary stimulation. Once an attack occurs, oral antiviral drugs such as acyclovir and valacyclovir can be taken orally for 3-7 days. To prevent bacterial infection, patients can use erythromycin ointment topically, along with antiviral cream, penciclovir cream mixed topically, while avoiding kissing babies, prone to herpes meningitis, conjunctivitis. 2, type 2 herpes simplex virus: can cause genital herpes, which is a sexually transmitted disease, mainly through sexual contact transmission, in the genital area as well as near the anus appear erythema, papules, clusters of Herpes simplex is a sexually transmitted disease that is transmitted through sexual contact. During treatment, oral antiviral medications are also required, such as oral bromovudine tablets and topical medications, such as a mixture of mometasone furoate cream and acyclovir cream, and if pain is significant, oral pregabalin capsules. During the treatment period, patients need to abstain from alcohol, abstain from sex, pay attention to rest and reduce staying up late. Therefore, for perioral herpes simplex virus caused by herpes simplex virus as well as genital herpes, patients need to go to a regular hospital and be treated under the guidance of a dermatologist.