A blood-counting maternal pad belongs to a medical device for measuring postpartum hemorrhage. The structure includes a birth pad with a sufficient area for absorbing blood. The birth pad is made of hygienic materials that are easy to absorb blood. The weighing end of the hand scale is fixed on the delivery pad, and the hand scale has a blood volume scale in grams/ml. When using the maternal pad to absorb blood, the volume and weight of the blood adsorbed on the maternity pad can be read directly from the scale of the hand scale, so that medical staff can conveniently, quickly and accurately measure and grasp the birth canal within the specified time after delivery The amount of bleeding.