The main steps of male ureteral intubation are vulvar cleansing, intubation and drainage. 1. Vulvovaginal cleansing: before ureteral intubation, the vulva needs to be cleaned with povidone-iodine or soapy water, and then the foreskin of the penis is turned out to reveal the urethral orifice, and the area around the urethral orifice needs to be wiped with povidone-iodine before intubation. 2. Insertion: After disinfection, the catheter is slowly inserted into the urethra, and paraffin oil can be applied before insertion to lubricate the urethra and help the smooth insertion of the catheter. 3. Drainage: after the insertion of the urinary catheter into place, it is also necessary to carry out local drainage to observe the outflow of urine. These are the main steps of male ureteral intubation, it is recommended that patients go to a regular hospital by professional medical personnel to operate, after the end of the intubation, the patient should try to relax, if there is any abnormality, consult a doctor in time for treatment.