The nutritional value and efficacy of salmon are as follows: 1, rich in high-quality protein, has the effect of promoting growth and development, recommended for people who are short, thin or malnourished; 2, rich in unsaturated fatty acids, has the effect of lowering blood lipids, cholesterol, suitable for high blood lipids, coronary heart disease patients, also has a better prevention of cardiovascular disease; 3, rich in DHA, helps the fetal nervous system development and intelligence improvement. It also has the effect of delaying aging and preventing age-related diseases.