There are four common reasons why women want to urinate but can’t: 1, urinary tract infection, when suffering from urinary tract infection can appear to want to urinate but can not come out, accompanied by frequent urination, urinary urgency, painful urination and other symptoms, can go to the hospital to check the urinary routine to do a clear diagnosis. 2, female urethral syndrome, patients with female urethral syndrome, can be accompanied by the feeling of having to urinate and can not come out, check the urinary system ultrasound, urinary routine and The urinary system ultrasound, urinary routine and urinary tract infection to make a distinction. In the case of female urethral syndrome, urinary routine, urinary ultrasound and residual urine are normal. 3. urinary retention, when women have urinary retention, they will feel like they want to urinate but can’t. The diagnosis is clear through urinary ultrasound and residual urine, when there is a large amount of urine in the bladder. 4. urethral stones, stones embedded in the urethra will also appear to want to urinate but can’t.