Female vaginal odor is related to the following factors: 1, the vulva is contaminated, the vulva collects a lot of urine, vaginal secretions and sweat, if you do not pay attention to cleaning will trigger a large number of bacterial reproduction, coupled with the quality of sanitary napkins, pads are not satisfactory, to create the conditions for the propagation of bacteria, will make the vulva emit a bad smell. 2, vaginitis, the most common trichomoniasis, mycosis fungoides and bacterial vaginosis, in particular, the bacterial vaginosis, will emit a fishy odor, in addition to the odor, there will also be increased discharge, abnormal shape, vulvar itching. Bacterial vaginitis will emit fishy odor, vaginitis in addition to odor, there will be increased secretions, abnormal traits, vulvar itching, usually pay more attention to wash the vulva, keep the vulva clean. 3, leukorrhea odor, there are other reasons such as cervicitis, uterine submucous fibroids, endometritis, cervical cancer, you need to do a series of tests to clarify the cause of the odor, and then do targeted treatment. A series of tests are needed to identify the cause of the odor, and then targeted treatment can be done.