Postpartum frequent urination mainly refers to the clinical phenomenon of increased urination after delivery, which may be a common symptom caused by childbirth, and may also be related to urinary tract infection, which can be improved with relevant examinations to clarify the cause and then carry out targeted treatment. 1, muscle damage: the fetus may compress the pelvis and urethra during delivery, resulting in a certain degree of damage to the muscles and nerves in the above-mentioned parts, which will reduce the contraction function of the urethra and may cause frequent urination; 2, urinary tract infection: the distance between the urethral opening and the vaginal opening is close, during the birth process there will be a large amount of blood, embryonic tissue, amniotic fluid, etc. discharged through the vagina, at the same time there will also be constant discharge of malodorous dew after childbirth, cleaning is not timely easily induced urinary tract infection, the symptoms of frequent urination; 3, reduced bladder capacity: during the delivery process of normal labor, the uterus presses the bladder for a long time, resulting in the capacity of the bladder becomes smaller In the process of delivery, the uterus compresses the bladder for a long time, resulting in a smaller capacity of the bladder, and patients can experience frequent urination after delivery, which can also be accompanied by a thin urine line and a feeling of urination. For postpartum frequent urination caused by the above-mentioned conditions, it is necessary to improve the relevant tests, such as blood routine, urine routine, ultrasound, urodynamics, etc., to clarify the cause and then carry out targeted treatment, pay attention to personal hygiene and avoid sexual life during treatment. In addition, by drinking more water, the bacteria in the urethra can be flushed with urine, thus gradually improving the symptoms.