Male fixed catheters can usually be walked, but not for too long or too fast. Male fixed catheter is not easy to fall off, in the doctor as well as the individual’s body allows, can be appropriate walking, but walking process to avoid excessive pulling, otherwise it is easy to lead to urethral injury, catheter dislodgement. In addition, the amplitude should not be too large and the time should not be too long when walking. Male fixed catheter is inserted into the bladder through the urethra to drain urine and is suitable for patients with urinary incontinence, urinary retention and urethral obstruction. During the use of catheters, attention should be paid to local cleanliness, to keep the urinary catheter open, to avoid squeezing, and also to regularly replace the catheter and urine bag.