The causes of ringworm on the vulva in women include the following: the first, there is a fungal infection, which may be caused by a woman having ringworm herself and cross-infection from washing socks and underwear together. The second is a fungal infection in the vulva, which may be caused by a woman’s secondary mycosis fungoides. In clinical treatment, you can apply topical wet compresses of compound cypress jock itch applicator and then apply bifenbendazole ointment or naftifine ketoconazole ointment for treatment. The third, consider psoriasis in Chinese medicine, which in Western medicine can be also divided into two diseases: neurodermatitis or common psoriasis. For neurodermatitis you need to ensure good rest and sleep while applying Denide ointment for treatment. For psoriasis you can apply hydrocortisone butyrate ointment and take oral Danqing capsules for treatment.