Human collagen is widely distributed in human skin, mucous membrane, muscle, hair, bone, cartilage, joints and other tissues, supporting human youth, maintaining human health, and constituting human life support. As people grow older, collagen will be lost, and the body gradually enters into aging and degeneration. Supplementation of correct human collagen is the most important way to replenish bound water in human tissues, and also the most important way to repair and regenerate human organs.