Lower body odor is usually caused by mycosis fungoides, bacterial vaginitis and cervical cancer. Patients are advised to improve and eliminate it through medication, surgery and lifestyle. 1. Moldy Vaginitis: Vaginal inflammation caused by Pseudomonas aeruginosa infection. Patients are advised to follow the doctor’s instructions to use metronidazole suppositories, clotrimazole suppositories and other drugs for treatment. At the same time, pay attention to keep the vulva clean and hygienic, and actively participate in physical exercise. 2. Bacterial vaginitis: due to the vaginal inflammation caused by bacterial imbalance, it is recommended that patients use Lactobacillus vaginalis capsule, metronidazole tablets and other medications as prescribed by the doctor for treatment, pay attention to a balanced and healthy diet, wash the vulva with water every day, and wear loose, breathable underwear. 3. Cervical cancer: malignant tumor of uterine cervix caused by human papilloma virus infection, tumor cell necrosis can produce odor. Patients can follow the doctor’s instructions for simple hysterectomy, cervical resection and other surgeries, and use chemotherapeutic drugs for treatment, such as paclitaxel, gemcitabine and so on. There may also be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.