Itchy and swollen underneath may be a vulvovaginal inflammation, so it is necessary to perform a routine examination of the leucorrhoea and give symptomatic treatment according to the examination results. If the discharge is thick and bean curd-like, the leucorrhoea is mycosis vaginalis, you can give clotrimazole pessary vaginally. If the vulva itching is serious, you can give some anti-itch ointment topically, such as ketoconazole ointment topically, or take some fluconazole tablets 150mg orally. After effective treatment, the symptoms of vulvar redness and swelling as well as itching will improve significantly and even disappear. At the end of the treatment, it is necessary to review the leucorrhoea routine in time to understand the effect of vaginitis treatment. If the test is caused by trichomoniasis, metronidazole tablets should be given orally or metronidazole suppositories can be given vaginally once a day, so effective treatment should be given according to the test results.