When urine leakage occurs after strenuous exercise, consider whether there is stress urinary incontinence, and suggest further examination at the hospital to clarify the possible causes.1. Stress urinary incontinence is mostly seen in women, because women develop pelvic floor muscle relaxation, which in turn leads to bladder prolapse and urethral downward migration, causing the closing pressure of the urethra to drop. When strenuous exercise raises abdominal pressure, which is transmitted to the bladder, causing the pressure in the bladder to rise above the urethral closure pressure, involuntary leakage of urine occurs. Most often seen in conditions such as strenuous running, jumping, loud talking, loud coughing, etc. A detailed gynecologic examination is required, and a urodynamic examination is performed to assess the presence of tension and stress incontinence.2. If there is chronic urinary retention, a large amount of urine filling in the bladder, and when the abdominal pressure rises through strenuous exercise and is transmitted to the bladder, it can cause an abrupt rise in intravesical pressure that exceeds the urethral The pressure in the bladder rises sharply and exceeds the closing pressure of the urethra, resulting in leakage. It is most often seen in men with prostatic hyperplasia, and it is recommended that ultrasound be performed to determine residual urine and to rule out the presence of urinary retention.