It contains collagen, protein, unsaturated fatty acids, lecithin, etc., which are very good for maternal health recovery. It also contains dietary fiber, which can promote intestinal peristalsis, laxative and relieve maternal constipation. Colla Corii Asini also contains many vitamins and minerals, such as vitamin E and vitamin C, which can meet the needs of postpartum nutrients, and is rich in calcium, magnesium, potassium and iron, which can maintain the water-electrolyte balance in the body and prevent osteoporosis. However, since gum is rather nourishing, if consumed in large quantities, it may cause indigestion and fire symptoms.