The sum of crude protein, fat and total sugar in flaxseed is as high as 84.07%. Flaxseed protein has a complete range of amino acids and an essential amino acid content of 5.16%. It is a plant protein with high nutritional value. Alpha-linolenic acid has many effects, such as anti-tumor, anti-thrombosis, blood lipid lowering, nutrient brain cells, and regulation of autonomic nerves. Flaxseed contains a large amount of polysaccharides, which have anti-tumor, anti-virus, anti-thrombosis and blood lipid lowering effects. Flaxseed oil also contains VE, a strong and effective free radical scavenger that delays aging and anti-oxidation. Flaxseed oil has a high content of unsaturated fatty acids and a high iodine value. It must be added with an antioxidant or a nitrogen-filled seal.