Long-term urethral swelling in women is considered to be caused by vulvovaginal pseudomycosis, urethritis, cystitis and other diseases. 1. Vulvovaginal pseudomycosis: it is a vulvovaginal inflammation caused by pseudomycosis, when the inflammation involves the lower urinary tract, it can cause urethral infection, leading to women’s long-term urethral swelling, and there will be vulvar itching, frequent urination, urinary urgency, vaginal secretion increase and other phenomena. 2. Urethritis: Urethral infection caused by various pathogens (e.g. Neisseria gonorrhea, Mycoplasma, Trichomonas, etc.), the patient can be due to inflammation stimulation of the urethral mucosa, long-term urethral swelling, and can be accompanied by urethral itch, urethral orifice redness and swelling and other symptoms. 3. cystitis: mostly due to pathogenic bacteria infection of the bladder mucosa, patients can contain pathogenic bacteria in the urine, and stimulate the urethral mucosa for a long time swelling, and can be accompanied by urinary urgency, cloudy urine, perineal pain and other phenomena. In addition, there are many other reasons that can cause long-term urethral swelling, such as urethral stones, etc. It is recommended that patients go to the hospital in time to clarify the cause of the disease, and then receive treatment as soon as possible.