If there is yellowish inflammatory discharge and fishy odor, it is the main symptom for diagnosing gynecological diseases. The causes of odor are: 1. Fishy odor, when women have obvious fishy odor in the vulva area, they are mostly considered to have bacterial vaginosis, which is a kind of gynecological inflammation caused by Gardnerella and other pathogenic bacteria infections, often with increased leucorrhea, yellowish or purulent color of leucorrhea and fishy odor. 2, The woman’s vulva has a foul odor, and she needs to be highly alert to the possibility of gynecological malignancies such as endometrial cancer and cervical cancer, which are often accompanied by abnormal bloody vaginal discharge, abnormal fluid discharge, and some patients have necrotic tissue discharge. 3. urine odor, the woman’s vulva has an obvious urine odor, and if it is not accompanied by abnormal leucorrhea, it is mostly considered to be caused by poor personal hygiene habits, not washing the vulva for a long time, and not changing the underwear. The result of the underwear.