Adolescent girls with odor may be due to poor personal hygiene, vaginal inflammation and other reasons. 1. Poor personal hygiene: After puberty, not paying attention to personal hygiene, especially before or after menstruation, or during menstruation, sanitary napkins or sanitary pads are not replaced in a timely manner may lead to the phenomenon of vulvar odor. You need to wear breathable underwear, wash the vulva regularly and pay attention to personal hygiene. 2. Vaginitis: when suffering from trichomonas vaginitis or bacterial vaginitis, women’s vulva will have a fishy smell or odor, which may be accompanied by a large amount of leukorrhea, thin watery, foamy, itching, etc., and you need to go to the hospital for a routine test of the leukorrhea, to confirm what the nature of the inflammation of the vagina, and then carry out the relevant treatment. Adolescent girls under the body odor symptoms, need to go to the hospital in a timely manner, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.