If a 12-year-old girl has a lot of leukorrhea, if there is no vulvar itching or odor from the discharge is normal, it can be left untreated, as long as you pay attention to keep the vulva clean and hygienic and wash it every day. If the leukorrhea is smelly, or if the vulva is itchy or red, it may be an inflammatory disease of the vagina, so it is important to have a routine examination of the leukorrhea and give effective treatment according to the results. In case of mycosis fungoides, the leukorrhea is usually thick and tofu-like with a fishy odor. You can give fluconazole tablets 150mg and wash your vulva with some lotion, wash your underwear with boiling water and expose it to the sun. In case of other types of vulvovaginitis, effective treatment should be given according to the test results.