After the baby is removed from the urinary catheter, you should pay attention to drink more water, check whether there is a urinary fistula, etc., to ensure that the vulva is clean, and at the same time, you should pay attention to a light diet. 1. Drink more water: after the baby pulling out the urinary catheter first need to drink more water, do not hold urine, urinate diligently, so as to avoid urinary retention again. 2. Check whether there is a urinary fistula: after the baby pulls out the urinary catheter, if some parts of the newly formed urethra do not heal well, urine will be discharged from the wound when urinating, forming a urinary fistula, if the baby still occurs urinary fistula 3 months after pulling out the urinary catheter, then it is necessary to carry out a urinary fistula repair surgery. 3. Ensure vulva clean: use water to clean the baby’s perineum and urethra every day, and change underwear to ensure urethral cleanliness. 4. Light diet: babies should pay attention to light diet after extraction of urinary catheter, as little as possible or do not eat spicy and stimulating food, to avoid irritation of the urethra. After the baby pull out the urinary catheter, should follow the doctor’s advice, any abnormal phenomenon, should promptly consult a doctor, under the guidance of the doctor standardized treatment.