Collagen can be supplemented by diet therapy or other external methods. Supplementing collagen can make skin elastic and reduce wrinkles and skin relaxation. Here are several ways to supplement collagen: First, bird's nest, fish skin, chicken feet and so on are rich in collagen, which can be effectively supplemented for the body if eaten regularly. Second, the pig's trotters stewed jujube, mixed in proportion, simmered until soft and cooked, and seasoned with seasoning. Third, tremella, tremella is warm and rich in plant collagen, which can strengthen the spleen and stimulate appetite, nourish yin and moisten the lungs, which is beneficial to women's health. Fourth, beans protein, beans are also rich in plant collagen, progesterone in beans can regulate hormones and improve internal circulation.