There is no obvious requirement to lie flat or on your side after insertion of the catheter. The catheter in the body can be changed with the change of position, so after the catheter is inserted, lying flat position or lying on the side has little effect. Of course, it is important to lie flat during catheterization, otherwise it may lead to failure or infection. The catheter is a relatively soft tube, in the process of indwelling catheterization, the catheter can be placed inside the clothing, so as not to affect the normal work, life, but should pay attention to the protection, do not remove the catheter, indwelling catheter should pay attention to do a good job of perineal cleaning and disinfection, they should drink more water, in order to reduce the chances of catheter-related urinary tract infections.