If the pregnant woman is in good health and has little post-partum discharge, it is recommended to take Colla Corii Asini about 1 week after delivery. If the patient has more evil discharge, taking Colla Corii Asini too early may increase the amount of evil discharge, and usually Colla Corii Asini can be taken about 3 weeks after delivery. Women lose blood during delivery, resulting in decreased resistance and weaker body after delivery, and may have symptoms of waxy face, dizziness and weakness. Colla Corii Asini is rich in amino acids and trace elements, and has the effect of tonifying blood and nourishing yin, stopping bleeding and nourishing blood, which can improve women’s postpartum anemia, improve maternal immunity, and is beneficial to maternal recovery. It should be noted that the dosage of Colla Corii Asini must be controlled, because too much Colla Corii Asini may affect the contraction of the uterus, resulting in poor drainage. It is recommended that women pay attention to warmth, rest, eat a light and nutritious diet, eat more protein-rich foods, and do not engage in heavy physical labor too early.