Female urinary distension but very little urine may be caused by mental dysuria, urinary tract infection, overactive bladder, bladder stones and other factors. 1. Mental urinary frequency: women encounter some major things, psychological overstress or fear, easily induced mental urinary frequency, there will be urinary distension as well as the symptoms of very little urine. 2. Urinary tract infections: cystitis, for example, may be related to poor hygiene, due to inflammatory substances stimulation, it will make women frequently appear to hold urine, but the amount of urine is relatively small, accompanied by urinary pain, urinary urgency, urinary frequency and other symptoms. 3. Overactive bladder syndrome: it may be related to estrogen deficiency, poor dietary habits and other factors, which can lead to frequent bladder contractions, which can make women frequently experience the feeling of holding back their urine as well as urination, accompanied by symptoms such as frequent urination and urinary urgency, and even urinary leakage. 4. Bladder stones: may be secondary to kidney stones, may also be for a long time to hold urine, drinking too little water and other factors related to the presence of stones, will make women appear urinary distension, but little urination, may also be accompanied by hematuria, urinary frequency. Women with urinary distension but little urine, and the presence of other obvious abnormalities, it is recommended to go to the hospital urology department for examination and treatment, to avoid delaying the condition.