The following causes can cause vulvar itching: vulvar dermatitis, vulvar eczema, vulvar sclerosing moss, vulvar dystrophy, vulvovaginal pseudomycelia, trichomoniasis, bacterial vaginosis, mycoplasma infection, chlamydia, and also diabetic patients, which can be stimulated by urinary glucose and can also cause vulvar itching. Therefore, vulvar itching has more complicated causes, which must be investigated clearly before treatment can be given. It is recommended to go to the hospital to check the leukorrhea routine, according to the infected pathogens, give targeted medication. In addition, if necessary, check mycoplasma and chlamydia. If there is mycoplasma or chlamydia infection, you can take oral azithromycin for treatment.