1. Collagen can be used as healthy foods, it can prevent cardiovascular disease;
2. Collagen can serve as a calcium food;
3. Collagen can be used as food additives;
4. Collagen can be widely used in frozen food, beverages, dairy products, candy, cakes and so on;
5. Collagen can be used for special populations (Menopausal women;
6. Collagen can be used as food packaging materials.