Inability to urinate after delivery may be caused by postpartum urinary retention, too much fear and tension, bladder injury, etc. It can be relieved by catheterization, relieving fear and tension, and surgical treatment. 1. Postpartum urinary retention: If the patient has already experienced obvious symptoms of urinary retention, such as bladder bulge, lower abdominal distension and pain, etc., catheterization and indwelling catheter can be used to relieve the symptoms. 2. Too much fear and tension: some patients are afraid of pain due to vulvar trauma during labor, or there are wounds in the abdomen during cesarean section, and pain from the wounds will occur if they exert themselves to urinate, which causes them not to dare to exert themselves to urinate. At this time, the mother can be encouraged to relieve her pressure to take the initiative to urinate. 3. Bladder injury: due to uterine compression during pregnancy, as well as abnormal labor process during delivery, pressure on the bladder. Resulting in bladder ischemia injury, also can not urinate. At this time, the problem should be detected in time, and if necessary, can be treated by surgery. If the mother can not urinate after delivery, she can also take medication and local external compresses. It is recommended that the above situation, should promptly consult a doctor, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, symptomatic treatment.