There are various reasons why a woman’s lower side itches, as follows: first, it is likely that her vaginal inflammation, inflammatory secretions flowing out, stimulating vulvar itching, in this case it is best to go to the hospital to check, do a secretion test, see what the nature of the inflammation, under the guidance of the doctor vaginal medicine symptomatic treatment, vulva can choose some drugs to wash or external use. Secondly, check whether there is urinary glucose disease, if diabetes, high blood sugar, prone to mycosis vaginalis, vulva itch. Thirdly, obese people have more vaginal secretions and their vulva is prone to itchiness. Some people love to wear tight shorts, which are not breathable and also prone to inflammation, and some women love pads, which also cause vulvar itching. For these situations, it is best to seek medical attention in time.