It is not recommended to take medication for prevention after having sexual intercourse with a person with genital herpes. When treating genital herpes, patients should avoid inappropriate sexual intercourse and should be absolutely prohibited from having sex with anyone during the treatment period. If you have already had sexual relations, it is not recommended to take medication for prevention, and it is recommended to avoid re-exposure. When someone in the family has genital herpes, the patient’s underwear, bed linen and utensils contaminated with secretions can be sterilized by disinfectant soaking method. The incubation period of genital herpes is 2-14 days, and it is recommended that contacts be closely observed for symptoms of genital discomfort and, if necessary, undergo relevant tests for a definitive diagnosis. Therefore, patients should exercise moderately, live regularly, avoid staying up late for a long time, as well as prohibit alcohol, which can effectively reduce the recurrence of genital herpes virus. During the active period of herpes, sexual intercourse is prohibited to avoid being infected by the virus.