Ejiao and collagen powder are made of donkey skin. Ejiao can stop bleeding, replenish blood, nourish yin and moisten dryness; The difference between donkey-hide gelatin and collagen powder is that donkey-hide gelatin is a solid block, while collagen powder is a powder, but the dosage forms are different; Collagen powder uses 100% pure Dong 'e Ejiao as the main raw material. Its efficacy and formula are the same as donkey-hide gelatin, and it is original, easy to dissolve and absorb, and convenient to take. Collagen powder is made of donkey-hide gelatin stock solution and vacuum drying technology, which is fragrant and easy to enter water. It is most suitable for adding honey, milk powder, milk, black tea and other partners to make various fashionable health-care teas. It has the edible effects of enriching blood and nourishing blood, prolonging life, strengthening beauty beauty, strengthening muscles and bones, and improving immunity, and is suitable for hectic fever due to yin deficiency, insomnia due to chronic illness, dizziness, palpitation, malaria, blood deficiency and sallow, lung dryness and cough.