The causes of vulvar itching and pain in women are the following: 1. The acute phase of various vaginal inflammatory diseases, mycosis vaginalis, can cause significant vulvar itching and increased leucorrhea in patients. Bacterial vaginitis and trichomoniasis can also cause itching, redness and pain in the vulva. 2. Skin lesions of the vulva, such as inflammation of the vulva and swollen vulvar nodes, which are usually accompanied by changes in the nature of the skin of the vulva, can lead to itching and pain. 3. Tight underwear and allergies to sanitary napkins can lead to red, swollen and itchy skin. 4. Patients with diabetes, patients with fecal leakage and urinary leakage, due to the long-term stimulation of secretions, can also lead to itching, redness and pain in the vulva.