Itching of the lower body is not recommended to wash with salt water. Salt water may provide short-term relief, but it is not a fundamental treatment, and long-term use of salt water may even lead to increased symptoms. Women’s vulva is very sensitive and delicate, and although saline can play a role in cleaning, it can easily lead to dysbiosis of the vaginal flora, and it is difficult for the patient to control the concentration of the saline and ensure that it is sterile. Therefore, for personal cleanliness and hygiene, it is recommended to wash the vulva with water and not to use saline to clean the vaginal area. The vagina itself is self-purifying and has normal flora, and excessive washing can easily lead to dysbiosis. There are many causes of lower vaginal itch. Besides gynecological inflammation caused by infection that can lead to lower itch, skin causes such as allergy and rash; lifestyle habits such as poor material of underwear to stimulate the pubic area can lead to itchy pubic area. Therefore, to relieve pubic itching, the key is to address the specific cause of the disease, it is recommended to go to the obstetrics and gynecology department of the hospital for consultation. It is especially important for women to take care of their daily lives after they develop pubic itching. They should pay attention to bathing regularly, changing their underwear, avoiding tight underwear, and changing sanitary napkins during menstruation.