Women’s underwear is always wet if not accompanied by other uncomfortable symptoms, mostly considered to be the normal phenomenon caused by ovulation, pregnancy. If the body is accompanied by obvious symptoms of discomfort, may be due to bacterial vaginosis, urethritis and other diseases. 1. Normal phenomenon: When women are in ovulation, pregnancy, the body’s estrogen, progesterone fluctuation is large, will stimulate the vaginal secretion increase, appear panties always wet, such cases are normal phenomena, do not need to worry too much. 2. Bacterial vaginosis: Bacterial vaginosis may be caused by pathogen infection, multiple sexual partners, vaginal douching, frequent sexual intercourse and other factors. Patients may have increased vaginal discharge, accompanied by itching, burning sensation and other symptoms, manifested in the underwear is always wet symptoms. 3. Urethritis: Urethritis is mainly caused by the infection of non-gonococcal and gonococcal pathogens, and can occur in men and women. Patients may have increased urethral secretions, urinary pain, urinary frequency and other symptoms, manifested in the panties always wet symptoms. There are many reasons for wet underwear in the clinic, and it is recommended that patients go to regular hospitals for relevant examinations to clarify the specific causes of the disease.