Postpartum urinary pain, usually associated with urinary infections, according to the different modes of delivery, the causes of post-partum urinary pain in women vary.1, natural vaginal delivery: the female urethra is located in the vicinity of the vagina, with a short, straight, wide features, vulnerable to bacterial retrograde invasion, so post-partum urinary pain is more likely to be considered urinary tract infections. Due to the post-partum discharge, easy to cause bacterial infection, resulting in frequent urination, urinary urgency, urinary pain, incomplete urination, etc., need to carry out routine urinalysis and bacterial culture, if the value of white blood cells, bacteria and nitrites are elevated, or the existence of specific bacterial infection, need timely treatment; 2, cesarean section delivery: cesarean section pain in urination, mainly due to the insertion of the urinary catheter before the operation, resulting in urethral mucosal tissues appear The pain is mainly caused by the insertion of the urinary catheter before the operation, which leads to the slight damage and edema of the mucosal tissue of the urethra, or the local inflammatory infection caused by the improper postpartum care. Considering the puerperium and breastfeeding, in terms of treatment, if the symptoms are relatively mild and tolerable, patients are advised to drink water for treatment. Drinking a lot of water can bring bacteria out of the urethra with urine and reduce the inflammatory response, and the symptoms will usually be significantly reduced after 24 hours. If the infection is more serious, it is necessary to carry out antibiotic treatment under the guidance of the doctor, usually use cephalosporin drugs. If the symptoms are not reduced after 24 hours of medication, hospitalization is required for infusion treatment. During the period of medication, the mother should stop breastfeeding, eat as light as possible, pay attention to vulvar hygiene, and change underwear frequently.