Supplemental protein to eat the best egg soup, eggs, milk, fish, shrimp, lean meat, etc. are the best source of high-quality protein, soybean high-quality protein content in plants is the highest. But in general, the protein in the egg has the best physiological value. Protein avoid long frying and long cooking, so eat eggs to egg custard is good, every day to 1 ~ 2 is appropriate. The elderly with high cholesterol, should eat more fish, because it is rich in high quality protein in addition to a variety of unsaturated fatty acids contained in the role of reducing cholesterol.