A bit of odor in the pubic area may be caused by poor pubic hygiene, Neisseria gonorrhoeae vaginitis, vulvar cancer accompanied by infection and so on. It is recommended to consult a doctor to find out the cause of the odor and treat it under the doctor’s guidance. 1. Poor hygiene of the vulva: excessive sweating or tight underwear that is not breathable, and lack of timely personal hygiene can lead to odor of the vulva. In addition, most patients do not have obvious discomfort symptoms. 2. Neisseria gonorrhoeae vaginitis: In addition to odor in the vulva and abnormal leukorrhea, Neisseria gonorrhoeae vaginitis is often accompanied by vulvar itching, burning sensation in the vulva and vagina, and other symptoms. 3. Vulvar cancer with infection: when vulvar cancer is accompanied with infection, the vaginal secretion shows purulent change, accompanied by bad smell. When the secretion stimulates the vulvar skin, it usually causes itching and other uncomfortable symptoms. In addition, a little odor from the vulva can also be seen in bacterial vaginitis, trichomonas vaginitis, cervicitis and so on. Pay attention to keep the vulva clean and dry, and change underwear frequently. In addition, you should go to the hospital in time to find out the cause and actively cooperate with the doctor’s treatment.