产后尿港贸是产科急症之一。如处理不及时，可影响子宫收缩，引起产后出血，还可导致膀跳炎、肾盂肾炎等。病因可能与下列因素有关：①产前因滞产先露部长时间压迫膀脱颈，使膀脱过度充盈。③会阴切口疼痛长时间憋尿使膀脱过度充盈。③产后腹壁松驰、腹压下降或产妇疲劳，腹肌 Postpartum urinary port trade is one of obstetric emergency. If not handled in time, can affect uterine contraction, causing postpartum hemorrhage, can also lead to bladderitis, pyelonephritis and so on. Etiology may be related to the following factors: ① prenatal delay due to prolonged pressure on the Minister of bladder and neck, the bladder over-filling. ③ perineal incision pain holding back urine for prolonged filling off. ③ postpartum abdominal relaxation, abdominal pressure or maternal fatigue, abdominal muscles