If there is no other discomfort but a vaginal odor, it may be due to vaginitis, or cervicitis or pelvic inflammatory disease. 1. Clinically, if there are symptoms of vaginal odor, the most common is due to vaginitis, mainly due to bacterial vaginosis, trichomoniasis vaginitis or vulvovaginal candidiasis vaginitis, these diseases in the early stage of the disease may not have other obvious discomfort, simply the phenomenon of vaginal odor. 2. If there is cervical inflammation, the cervix is infected by bacteria, there will be localized cervical congestion, edema, purulent secretions or other abnormal secretions, resulting in the phenomenon of vaginal odor. 3. Pelvic inflammatory disease patients, due to bacterial infection upstream to the pelvic cavity, there will also be an increase in vaginal discharge, vaginal odor phenomenon. Therefore, in order to determine the cause of vaginal odor, it is recommended to go to the hospital in a timely manner to conduct relevant examinations, by the doctor to determine the comprehensive condition.