Herpes simplex virus infection should be ruled out in the case of blisters on the vulva. It can cause erythema, itching and pain in the genital area, and the blisters can form clusters and ulcerate, so you should pay attention to the time of appearance of the blisters, the accompanying symptoms, the presence of pain and whether they can disappear on their own. If it does not improve and has a tendency to worsen, it is recommended to go to the hospital gynecological examination to exclude vaginitis, vulvitis, genital herpes virus infection, syphilis, AIDS, etc. You can take vaginal secretions for laboratory tests and blister fluid for clear diagnosis. For genital herpes can be treated with oral antiviral drugs, the course of treatment 7-10 days, such as acyclovir tablets, genital herpes is easy to recur, usually need to enhance their own resistance, recurring patients need to extend the time of oral antiviral drugs.