The urethra of women is shorter and straighter, so it is more susceptible to external factors, and it is easier to develop bladder inflammation. Most female cystitis is acute bacterial cystitis, and bacterial infection through the urethra upstream can lead to, the symptoms are mainly irritation of the urethra, changes in urine and systemic symptoms. 1, urinary frequency, urinary urgency, painful urination: cystitis is mainly manifested as symptoms of urethral irritation, the sudden onset of painful urination, due to the burning sensation in the urethra and do not dare to urinate. Frequent urination symptoms do not distinguish between day and night, serious minutes once a urination. The urge to urinate remains after urination. Damage to the bladder mucosa caused by inflammation can cause hematuria, or the discharge of urine clots. Repeated inflammation can cause pain in the suprapubic bladder area, but rarely pressure in the lower back. The pressure pain does not disappear at rest or when lying down. 2. Change in urine color: Inflammation causes a change in urine, starting with a yellowish color, purulent discharge from the urethra, cloudy urine, and pain during urination that can lead to interruption of urination. The general symptoms of female cystitis are not very obvious, but women may experience general weakness and fever during menstruation or after sexual intercourse. By understanding the symptoms of female cystitis, the irritation of the urethra and the changes in urine basically have a preliminary diagnosis, the specific diagnosis requires laboratory tests and then active treatment.