Itching on both sides of women’s private parts may be caused by vulvar eczema, vulvovaginitis, genital herpes and other diseases, which need to be treated with medication, physical therapy and surgery to address the cause of the disease. 1. Vulvar eczema: common symptoms include itching of the perineum, redness and swelling of the skin. Patients should follow the doctor’s instructions to use topical glucocorticosteroids such as hydrocortisone and triamcinolone, as well as calcium-modulated phosphatase inhibitors such as tacrolimus and pimecrolimus. Oral antihistamines such as cetirizine and loratadine are also prescribed. For chronic eczema, physical therapy such as ultraviolet radiation can be taken. 2. Vulvovaginitis: mainly manifested as swollen, itchy, swollen vulvar skin, and accompanied by burning sensation. If it is simple vulvovaginitis, patients need to use 0.1% povidone iodine or 1:5000 potassium permanganate sitz bath, erythromycin ointment, tetracycline ointment and other drugs under the guidance of the doctor. In case of vulvar pseudomycosis, antifungal drugs such as fluconazole and itraconazole should be applied as prescribed by the doctor. In some cases, incision and drainage surgery should be considered for vestibular gland abscesses, and in the case of vestibular gland cysts, cystostomy should be considered. 3. Genital herpes: usually the genitals of symptomatic people will appear ulcers, blisters, mostly accompanied by itching, pain and other symptoms. Patients should apply antiviral drugs such as acyclovir and famciclovir as prescribed by the doctor. Those with severe pain should apply painkillers such as aspirin and acetaminophen as prescribed by the doctor. At the same time, it is also necessary to use external saline or 3% boric acid solution and other cleaning agents under the guidance of the doctor. There are more causes of itching on both sides of a woman’s private parts, so she should go to the hospital and actively treat the original disease.