Vulvar pruritus is caused by vulvovaginitis. If it is caused by trichomonal vaginitis, it can be treated with Dr. Lei's bacteriostatic solution, and sexual partners should also be treated, because trichomonal vaginitis is mainly transmitted through sex, and sexual intercourse should be avoided during treatment. If it is fungal vaginitis, local or systemic application of antifungal drugs should be selected according to the patient's condition to eliminate the inducement. Change underwear frequently, and wash used underwear and towels with boiling water. Zd mycotic vaginitis can be treated by supplementing estrogen.