Vaginal discharge odor may be caused by gynecological inflammation, such as cervical inflammation, vaginal inflammation, especially anaerobic bacterial infection caused by bacterial vaginosis, will lead to vaginal discharge has a great odor. More serious is caused by cancer, like cervical cancer will often appear secretions, have a great stench, mainly because the cancerous tissues appear necrosis, will lead to secretions appear stench, and even in the same room, without taking off pants will smell this great stench. Also, when endometrial cancer is combined with infection in the late stage, the discharge will have a strong odor. Therefore, if you find that your secretions have a bad odor, you should go to the hospital in time for examination and treatment according to the cause of the disease so that the odor can be completely eliminated.