Ejiao block is made from donkey skin and is a good blood supplement. Ejiao has the effect of accelerating the production of red blood cells, hemoglobin and hemostasis. It can improve the balance of calcium in the body and promote the absorption of calcium; it can resist traumatic shock and has the effect of preventing progressive muscular dystrophy. To eat donkey-hide gelatin, you must first crush the blocks of donkey-hide gelatin or grind it into powder