There is a difference between male intubation and female intubation. Since the urinary system of men is more complex than that of women, the operation of male intubation is more complicated than that of women, and the depth of insertion is also different. 1. The operation of men is more complicated than women: male intubation and female intubation should be routinely disinfected vulva, male intubation before the need to let the patient take a deep breath, the front of the urinary catheter coated with lubricating fluid, at the same time to make the penis and the abdominal wall at an angle of 60 degrees, and then the front of the urinary catheter slowly inserted into the urethra; female disinfection is generally coated with lubricating fluid, and then inserted directly into the urethra urinary catheter can be. 2. Inserted into the depth of different: men generally inserted from the urethra about 20 cm, see urine out, and then inserted into the 7 to 10 cm, injected with saline; women generally inserted into the urethra 5 to 10 cm to meet the urine discharge, and then inserted into the two centimeters after the injection of saline. For catheterization, you should go to a regular hospital in time to find a professional to operate.