Lower body odor and accompanied by moisture, the reasons are as follows: 1, may be some type of vaginitis, such as bacterial vaginitis, trichomonas vaginitis, or even mycosis vaginitis caused by mycoplasma or chlamydia infection; 2, if there are cervical polyps, endometrial polyps, or even submucosal leiomyomas, labor and delivery with infections, it may also lead to this symptom; 3, if a woman is older, there is a fishy smell, accompanied by moisture symptoms, may also be pre-cancerous changes in the cervix, or even cervical cancer. If the woman is old, her lower body has a fishy smell, accompanied by wet symptoms, may also be cervical pre-cancerous lesions, or even cervical cancer, this situation is best to come to the hospital to do the relevant examinations, such as gynecological leucorrhoea, ultrasound examination, a clear diagnosis under the guidance of the doctor treatment.