Vaginal odor without pain or itching is mainly caused by the following reasons: First, it may be caused by inflammatory stimulation, such as trichomoniasis, mycotic vaginitis and other diseases after the vulva odor, but if the situation is not serious basically will not appear pain, itching and other symptoms, you can use cleanser and other lotions to deal with it, can help relieve the inflammation problem. Secondly, it may be triggered by other diseases, such as pelvic inflammatory disease, endometritis, adnexitis and other diseases, which can affect the normal vaginal secretions and cause symptoms such as odor in the pubic area. Thirdly, when the body resistance decreases or improper use of lotion, it will also affect the body to appear odor, often do not pay attention to hygiene, wear tight pants or do not pay attention to the pubic ventilation, will also produce this symptom, need to pay attention to and actively regulate the treatment.