Female patients who can not hold their urine, the possible reasons are as follows: 1, acute urethritis, cystitis can occur in the urinary tract epithelium acute congestion, edema, the patient will appear severe urinary frequency, and even can not hold their urine. Sometimes because of the inability to hold back the urine and the occurrence of urge incontinence, accompanied by urinary pain, burning sensation in the urethra, pain in the abdomen. Urine is retained for routine urinalysis, which can identify the presence or absence of infection.2. Stress urinary incontinence is often seen in women who have given birth many times or older women, when the patient is unable to hold back the urine and the abdomen exerts itself to urinary incontinence. For example, incontinence occurs when coughing loudly, talking loudly, laughing, etc. This is due to the relaxation of the pelvic floor muscles. Early symptoms are mild and can be treated with pelvic floor muscle exercises or oral medications. If the symptoms are severe and affect the patient’s quality of life or social life, surgery to repair the pelvic floor muscles and mid-urethral suspension are needed.