Foul odor in the lower body may be caused by not paying attention to hygiene, gynecological inflammation, gynecological occupational lesions and other reasons. 1. Don’t pay attention to hygiene: usually don’t pay attention to local hygiene, don’t change the underwear and wash the external genital organs in time, coupled with increased sweating, or wear underwear is too tight resulting in airtight, etc., may cause odor at the genital organs. 2. Gynecological inflammation: when suffering from acute cervicitis, vaginitis and other gynecological inflammatory diseases, it may also lead to abnormal leukorrhea, vulvar itching, odor and other symptoms. 3. Occupational gynecological lesions: when suffering from occupational lesions such as vulvar cancer, cervical cancer, endometrial cancer and so on, especially when accompanied by symptoms of infection, it may lead to foul smell at the genital organs. There are many reasons for the odor at the genitals, so it is recommended to consult a doctor in time to find out the reasons and cooperate with the doctor actively.